40415015790 has 48 divisors (see below), whose sum is σ = 111260165328. Its totient is φ = 10143376128.

The previous prime is 40415015747. The next prime is 40415015819. The reversal of 40415015790 is 9751051404.

40415015790 is a `hidden beast` number, since 4 + 0 + 415 + 0 + 157 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 13205992 + ... + 13209051.

It is an arithmetic number, because the mean of its divisors is an integer number (2317920111).

Almost surely, 2^40415015790 is an apocalyptic number.

40415015790 is an abundant number, since it is smaller than the sum of its proper divisors (70845149538).

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

40415015790 is a wasteful number, since it uses less digits than its factorization.

40415015790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415073 (or 26415070 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 40415015790 in words is "forty billion, four hundred fifteen million, fifteen thousand, seven hundred ninety".