40097964 has 48 divisors (see below), whose sum is σ = 95735808. Its totient is φ = 13059648.

The previous prime is 40097933. The next prime is 40097977. The reversal of 40097964 is 46979004.

40097964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126334 + ... + 126650.

It is an arithmetic number, because the mean of its divisors is an integer number (1994496).

Almost surely, 2^40097964 is an apocalyptic number.

It is an amenable number.

40097964 is an abundant number, since it is smaller than the sum of its proper divisors (55637844).

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

40097964 is a wasteful number, since it uses less digits than its factorization.

40097964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 40097964 is about 6332.2953184450. The cubic root of 40097964 is about 342.2741551934.

The spelling of 40097964 in words is "forty million, ninety-seven thousand, nine hundred sixty-four".