40647032 has 8 divisors (see below), whose sum is σ = 76213200. Its totient is φ = 20323512.

The previous prime is 40646987. The next prime is 40647059. The reversal of 40647032 is 23074604.

It is a happy number.

40647032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 40646992 and 40647010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540432 + ... + 2540447.

It is an arithmetic number, because the mean of its divisors is an integer number (9526650).

Almost surely, 2^40647032 is an apocalyptic number.

It is an amenable number.

40647032 is a deficient number, since it is larger than the sum of its proper divisors (35566168).

40647032 is a wasteful number, since it uses less digits than its factorization.

40647032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080885 (or 5080881 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40647032 is about 6375.5024900003. The cubic root of 40647032 is about 343.8293501885.

The spelling of 40647032 in words is "forty million, six hundred forty-seven thousand, thirty-two".