20151844410472 has 64 divisors (see below), whose sum is σ = 40415001292800. Its totient is φ = 9399142609920.

The previous prime is 20151844410449. The next prime is 20151844410487. The reversal of 20151844410472 is 27401444815102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2057488 + ... + 6673600.

It is an arithmetic number, because the mean of its divisors is an integer number (631484395200).

Almost surely, 2^{20151844410472} is an apocalyptic number.

It is an amenable number.

20151844410472 is an abundant number, since it is smaller than the sum of its proper divisors (20263156882328).

20151844410472 is a wasteful number, since it uses less digits than its factorization.

20151844410472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616786 (or 4616782 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 20151844410472 in words is "twenty trillion, one hundred fifty-one billion, eight hundred forty-four million, four hundred ten thousand, four hundred seventy-two".