40906912 has 12 divisors (see below), whose sum is σ = 80535546. Its totient is φ = 20453440.

The previous prime is 40906891. The next prime is 40906927. The reversal of 40906912 is 21960904.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39992976 + 913936 = 6324^2 + 956^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639139 + ... + 639202.

Almost surely, 2^40906912 is an apocalyptic number.

It is an amenable number.

40906912 is a deficient number, since it is larger than the sum of its proper divisors (39628634).

40906912 is a wasteful number, since it uses less digits than its factorization.

40906912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278351 (or 1278343 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 40906912 is about 6395.8511552412. The cubic root of 40906912 is about 344.5605607204.

The spelling of 40906912 in words is "forty million, nine hundred six thousand, nine hundred twelve".