40133788 has 12 divisors (see below), whose sum is σ = 70296352. Its totient is φ = 20049120.

The previous prime is 40133783. The next prime is 40133813. The reversal of 40133788 is 88733104.

It is a super-2 number, since 2×40133788² = 3221441878457888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528 + ... + 9088.

Almost surely, 2^40133788 is an apocalyptic number.

It is an amenable number.

40133788 is a deficient number, since it is larger than the sum of its proper divisors (30162564).

40133788 is a wasteful number, since it uses less digits than its factorization.

40133788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892 (or 8890 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40133788 is about 6335.1233610720. The cubic root of 40133788 is about 342.3760554594.

The spelling of 40133788 in words is "forty million, one hundred thirty-three thousand, seven hundred eighty-eight".