40712044 has 12 divisors (see below), whose sum is σ = 71442784. Its totient is φ = 20299824.

The previous prime is 40712033. The next prime is 40712051. The reversal of 40712044 is 44021704.

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, 12399 + ... + 15334.

Almost surely, 2^40712044 is an apocalyptic number.

It is an amenable number.

40712044 is a deficient number, since it is larger than the sum of its proper divisors (30730740).

40712044 is a wasteful number, since it uses less digits than its factorization.

40712044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28104 (or 28102 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40712044 is about 6380.5990314390. The cubic root of 40712044 is about 344.0125626384.

Adding to 40712044 its reverse (44021704), we get a palindrome (84733748).

The spelling of 40712044 in words is "forty million, seven hundred twelve thousand, forty-four".