40630964 has 24 divisors (see below), whose sum is σ = 78556800. Its totient is φ = 18233280.

The previous prime is 40630963. The next prime is 40630979. The reversal of 40630964 is 46903604.

It is a self number, because there is not a number n which added to its sum of digits gives 40630964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (3273200).

Almost surely, 2^40630964 is an apocalyptic number.

40630964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40630964 is a deficient number, since it is larger than the sum of its proper divisors (37925836).

40630964 is a wasteful number, since it uses less digits than its factorization.

40630964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11781 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 40630964 is about 6374.2422294732. The cubic root of 40630964 is about 343.7840383264.

The spelling of 40630964 in words is "forty million, six hundred thirty thousand, nine hundred sixty-four".