40038490034 has 4 divisors (see below), whose sum is σ = 60057735054. Its totient is φ = 20019245016.

The previous prime is 40038490021. The next prime is 40038490087. The reversal of 40038490034 is 43009483004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38829884809 + 1208605225 = 197053^2 + 34765^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40038489976 and 40038490003.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10009622507 + ... + 10009622510.

Almost surely, 2^40038490034 is an apocalyptic number.

40038490034 is a deficient number, since it is larger than the sum of its proper divisors (20019245020).

40038490034 is a wasteful number, since it uses less digits than its factorization.

40038490034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019245019.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 40038490034 in words is "forty billion, thirty-eight million, four hundred ninety thousand, thirty-four".