40299512 has 32 divisors (see below), whose sum is σ = 84665520. Its totient is φ = 17821440.

The previous prime is 40299487. The next prime is 40299521. The reversal of 40299512 is 21599204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933 + ... + 9444.

Almost surely, 2^40299512 is an apocalyptic number.

It is an amenable number.

40299512 is an abundant number, since it is smaller than the sum of its proper divisors (44366008).

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

40299512 is a wasteful number, since it uses less digits than its factorization.

40299512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12431 (or 12427 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40299512 is about 6348.1896632032. The cubic root of 40299512 is about 342.8466648253.

The spelling of 40299512 in words is "forty million, two hundred ninety-nine thousand, five hundred twelve".