40512396 has 24 divisors (see below), whose sum is σ = 94796800. Its totient is φ = 13465872.

The previous prime is 40512371. The next prime is 40512397. The reversal of 40512396 is 69321504.

It is not an unprimeable number, because it can be changed into a prime (40512397) 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, 196 + ... + 9003.

Almost surely, 2^40512396 is an apocalyptic number.

It is an amenable number.

40512396 is an abundant number, since it is smaller than the sum of its proper divisors (54284404).

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

40512396 is a wasteful number, since it uses less digits than its factorization.

40512396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573 (or 9571 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 40512396 is about 6364.9348779072. The cubic root of 40512396 is about 343.4493059272.

The spelling of 40512396 in words is "forty million, five hundred twelve thousand, three hundred ninety-six".