40789042 has 32 divisors (see below), whose sum is σ = 71736192. Its totient is φ = 17034624.

The previous prime is 40789037. The next prime is 40789057. The reversal of 40789042 is 24098704.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40788989 and 40789007.

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, 109168 + ... + 109540.

It is an arithmetic number, because the mean of its divisors is an integer number (2241756).

Almost surely, 2^40789042 is an apocalyptic number.

40789042 is a deficient number, since it is larger than the sum of its proper divisors (30947150).

40789042 is a wasteful number, since it uses less digits than its factorization.

40789042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40789042 is about 6386.6299407434. The cubic root of 40789042 is about 344.2293011043.

The spelling of 40789042 in words is "forty million, seven hundred eighty-nine thousand, forty-two".