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2040225640 = 235167305423
BaseRepresentation
bin111100110011011…
…0101111101101000
312021012001012102121
41321212311331220
513134244210030
6534241041024
7101362426465
oct17146657550
95235035377
102040225640
119577217a2
1248b326174
132668bc80b
14154d6a66c
15be1ab47a
hex799b5f68

2040225640 has 32 divisors (see below), whose sum is σ = 4618010880. Its totient is φ = 811200832.

The previous prime is 2040225637. The next prime is 2040225647. The reversal of 2040225640 is 465220402.

It is a super-2 number, since 2×20402256402 = 8325041324226819200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2040225647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146032 + ... + 159391.

It is an arithmetic number, because the mean of its divisors is an integer number (144312840).

Almost surely, 22040225640 is an apocalyptic number.

2040225640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040225640 is an abundant number, since it is smaller than the sum of its proper divisors (2577785240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2040225640 is a wasteful number, since it uses less digits than its factorization.

2040225640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305601 (or 305597 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2040225640 is about 45168.8569702622. The cubic root of 2040225640 is about 1268.3118993770.

The spelling of 2040225640 in words is "two billion, forty million, two hundred twenty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 3340 6680 305423 610846 1221692 1527115 2443384 3054230 6108460 12216920 51005641 102011282 204022564 255028205 408045128 510056410 1020112820 2040225640