40783972 has 24 divisors (see below), whose sum is σ = 74789120. Its totient is φ = 19435680.

The previous prime is 40783961. The next prime is 40783997. The reversal of 40783972 is 27938704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 10762.

Almost surely, 2^40783972 is an apocalyptic number.

It is an amenable number.

40783972 is a deficient number, since it is larger than the sum of its proper divisors (34005148).

40783972 is a wasteful number, since it uses less digits than its factorization.

40783972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011 (or 5009 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 40783972 is about 6386.2330054579. The cubic root of 40783972 is about 344.2150381651.

The spelling of 40783972 in words is "forty million, seven hundred eighty-three thousand, nine hundred seventy-two".