40133208 has 32 divisors (see below), whose sum is σ = 100958400. Its totient is φ = 13294368.

The previous prime is 40133167. The next prime is 40133227. The reversal of 40133208 is 80233104.

It is a happy number.

It is a super-2 number, since 2×40133208² = 3221348768742528, which contains 22 as substring.

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, 1218 + ... + 9041.

It is an arithmetic number, because the mean of its divisors is an integer number (3154950).

Almost surely, 2^40133208 is an apocalyptic number.

It is an amenable number.

40133208 is an abundant number, since it is smaller than the sum of its proper divisors (60825192).

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

40133208 is a wasteful number, since it uses less digits than its factorization.

40133208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431 (or 10427 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40133208 is about 6335.0775843710. The cubic root of 40133208 is about 342.3744061502.

The spelling of 40133208 in words is "forty million, one hundred thirty-three thousand, two hundred eight".