40045025042 has 32 divisors (see below), whose sum is σ = 66678033600. Its totient is φ = 17883256000.

The previous prime is 40045025017. The next prime is 40045025063. The reversal of 40045025042 is 24052054004.

40045025042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40045025042² (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 15 ways as a sum of consecutive naturals, for example, 2459384 + ... + 2475612.

It is an arithmetic number, because the mean of its divisors is an integer number (2083688550).

Almost surely, 2^40045025042 is an apocalyptic number.

40045025042 is a deficient number, since it is larger than the sum of its proper divisors (26633008558).

40045025042 is a wasteful number, since it uses less digits than its factorization.

40045025042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 40045025042 its reverse (24052054004), we get a palindrome (64097079046).

The spelling of 40045025042 in words is "forty billion, forty-five million, twenty-five thousand, forty-two".