40628012 has 12 divisors (see below), whose sum is σ = 71511216. Its totient is φ = 20196240.

The previous prime is 40627997. The next prime is 40628083. The reversal of 40628012 is 21082604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28664 + ... + 30047.

It is an arithmetic number, because the mean of its divisors is an integer number (5959268).

Almost surely, 2^40628012 is an apocalyptic number.

It is an amenable number.

40628012 is a deficient number, since it is larger than the sum of its proper divisors (30883204).

40628012 is a wasteful number, since it uses less digits than its factorization.

40628012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58888 (or 58886 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40628012 is about 6374.0106683312. The cubic root of 40628012 is about 343.7757123687.

The spelling of 40628012 in words is "forty million, six hundred twenty-eight thousand, twelve".