40673632 has 12 divisors (see below), whose sum is σ = 80076276. Its totient is φ = 20336800.

The previous prime is 40673621. The next prime is 40673663. The reversal of 40673632 is 23637604.

It is a junction number, because it is equal to n+sod(n) for n = 40673594 and 40673603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635494 + ... + 635557.

It is an arithmetic number, because the mean of its divisors is an integer number (6673023).

Almost surely, 2^40673632 is an apocalyptic number.

It is an amenable number.

40673632 is a deficient number, since it is larger than the sum of its proper divisors (39402644).

40673632 is a wasteful number, since it uses less digits than its factorization.

40673632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271061 (or 1271053 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 40673632 is about 6377.5882588954. The cubic root of 40673632 is about 343.9043361176.

The spelling of 40673632 in words is "forty million, six hundred seventy-three thousand, six hundred thirty-two".