40157250020 has 24 divisors (see below), whose sum is σ = 84337371384. Its totient is φ = 16061538816.

The previous prime is 40157249989. The next prime is 40157250031. The reversal of 40157250020 is 2005275104.

It can be written as a sum of positive squares in 4 ways, for example, as 2964584704 + 37192665316 = 54448^2 + 192854^2 .

It is a super-2 number, since 2×40157250020² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176444 + ... + 333836.

It is an arithmetic number, because the mean of its divisors is an integer number (3514057141).

Almost surely, 2^40157250020 is an apocalyptic number.

It is an amenable number.

40157250020 is an abundant number, since it is smaller than the sum of its proper divisors (44180121364).

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

40157250020 is a wasteful number, since it uses less digits than its factorization.

40157250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170159 (or 170157 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The spelling of 40157250020 in words is "forty billion, one hundred fifty-seven million, two hundred fifty thousand, twenty".