39400400493 has 48 divisors (see below), whose sum is σ = 61902262656. Its totient is φ = 24080664960.

The previous prime is 39400400461. The next prime is 39400400503.

39400400493 is nontrivially palindromic in base 10.

39400400493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39400400493 - 2⁵ = 39400400461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39400400593) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 474763 + ... + 551543.

It is an arithmetic number, because the mean of its divisors is an integer number (1289630472).

Almost surely, 2^39400400493 is an apocalyptic number.

It is an amenable number.

39400400493 is a deficient number, since it is larger than the sum of its proper divisors (22501862163).

39400400493 is a wasteful number, since it uses less digits than its factorization.

39400400493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76914 (or 76911 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 39400400493 in words is "thirty-nine billion, four hundred million, four hundred thousand, four hundred ninety-three".