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40225227401 = 1237136123893
BaseRepresentation
bin100101011101100111…
…000100001010001001
310211211100212021102002
4211131213010022021
51124340124234101
630251302120345
72622550535312
oct453547041211
9124740767362
1040225227401
1116072101797
1279674200b5
133a40930408
141d38479609
1510a6675d6b
hex95d9c4289

40225227401 has 8 divisors (see below), whose sum is σ = 40289011464. Its totient is φ = 40161496320.

The previous prime is 40225227391. The next prime is 40225227409. The reversal of 40225227401 is 10472252204.

It can be written as a sum of positive squares in 4 ways, for example, as 12684165376 + 27541062025 = 112624^2 + 165955^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40225227401 is a prime.

It is a super-2 number, since 2×402252274012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40225227409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671611 + ... + 1695503.

It is an arithmetic number, because the mean of its divisors is an integer number (5036126433).

Almost surely, 240225227401 is an apocalyptic number.

It is an amenable number.

40225227401 is a deficient number, since it is larger than the sum of its proper divisors (63784063).

40225227401 is a wasteful number, since it uses less digits than its factorization.

40225227401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26491.

The product of its (nonzero) digits is 8960, while the sum is 29.

Adding to 40225227401 its reverse (10472252204), we get a palindrome (50697479605).

The spelling of 40225227401 in words is "forty billion, two hundred twenty-five million, two hundred twenty-seven thousand, four hundred one".

Divisors: 1 1237 1361 23893 1683557 29555641 32518373 40225227401