40973456 has 20 divisors (see below), whose sum is σ = 80689404. Its totient is φ = 20150400.

The previous prime is 40973431. The next prime is 40973483. The reversal of 40973456 is 65437904.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 39891856 = 1040^2 + 6316^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 20015 + ... + 21966.

Almost surely, 2^40973456 is an apocalyptic number.

It is an amenable number.

40973456 is a deficient number, since it is larger than the sum of its proper divisors (39715948).

40973456 is a wasteful number, since it uses less digits than its factorization.

40973456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42050 (or 42044 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 40973456 is about 6401.0511636762. The cubic root of 40973456 is about 344.7472937634.

The spelling of 40973456 in words is "forty million, nine hundred seventy-three thousand, four hundred fifty-six".