40628236 has 12 divisors (see below), whose sum is σ = 77563080. Its totient is φ = 18467360.

The previous prime is 40628227. The next prime is 40628243. The reversal of 40628236 is 63282604.

It is a junction number, because it is equal to n+sod(n) for n = 40628198 and 40628207.

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, 461641 + ... + 461728.

It is an arithmetic number, because the mean of its divisors is an integer number (6463590).

Almost surely, 2^40628236 is an apocalyptic number.

It is an amenable number.

40628236 is a deficient number, since it is larger than the sum of its proper divisors (36934844).

40628236 is a wasteful number, since it uses less digits than its factorization.

40628236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923384 (or 923382 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40628236 is about 6374.0282396613. The cubic root of 40628236 is about 343.7763441628.

The spelling of 40628236 in words is "forty million, six hundred twenty-eight thousand, two hundred thirty-six".