40672136 has 8 divisors (see below), whose sum is σ = 76260270. Its totient is φ = 20336064.

The previous prime is 40672117. The next prime is 40672157. The reversal of 40672136 is 63127604.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 9647236 = 5570^2 + 3106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40672099 and 40672108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2542001 + ... + 2542016.

Almost surely, 2^40672136 is an apocalyptic number.

It is an amenable number.

40672136 is a deficient number, since it is larger than the sum of its proper divisors (35588134).

40672136 is a wasteful number, since it uses less digits than its factorization.

40672136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084023 (or 5084019 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40672136 is about 6377.4709721017. The cubic root of 40672136 is about 343.9001197317.

The spelling of 40672136 in words is "forty million, six hundred seventy-two thousand, one hundred thirty-six".