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40415250144 = 253420992189
BaseRepresentation
bin100101101000111011…
…111100011011100000
310212022121102102121110
4211220323330123200
51130232301001034
630322211023320
72630345646423
oct455073743340
9125277372543
1040415250144
111615a39a685
1279bab9ab40
133a711032c9
141d557c19ba
1510b81adde9
hex968efc6e0

40415250144 has 24 divisors (see below), whose sum is σ = 106090031880. Its totient is φ = 13471750016.

The previous prime is 40415250143. The next prime is 40415250229. The reversal of 40415250144 is 44105251404.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40415250143) 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 3 ways as a sum of consecutive naturals, for example, 210495999 + ... + 210496190.

It is an arithmetic number, because the mean of its divisors is an integer number (4420417995).

Almost surely, 240415250144 is an apocalyptic number.

It is an amenable number.

40415250144 is an abundant number, since it is smaller than the sum of its proper divisors (65674781736).

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

40415250144 is a wasteful number, since it uses less digits than its factorization.

40415250144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420992202 (or 420992194 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 40415250144 in words is "forty billion, four hundred fifteen million, two hundred fifty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 420992189 841984378 1262976567 1683968756 2525953134 3367937512 5051906268 6735875024 10103812536 13471750048 20207625072 40415250144