40054012 has 12 divisors (see below), whose sum is σ = 70738360. Its totient is φ = 19843056.

The previous prime is 40053973. The next prime is 40054019. The reversal of 40054012 is 21045004.

It is a super-2 number, since 2×40054012² = 3208647754592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40054019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45498 + ... + 46369.

Almost surely, 2^40054012 is an apocalyptic number.

It is an amenable number.

40054012 is a deficient number, since it is larger than the sum of its proper divisors (30684348).

40054012 is a wasteful number, since it uses less digits than its factorization.

40054012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91980 (or 91978 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40054012 is about 6328.8239033805. The cubic root of 40054012 is about 342.1490521372.

Adding to 40054012 its reverse (21045004), we get a palindrome (61099016).

The spelling of 40054012 in words is "forty million, fifty-four thousand, twelve".