40054028 has 24 divisors (see below), whose sum is σ = 80264352. Its totient is φ = 17132544.

The previous prime is 40054019. The next prime is 40054039. The reversal of 40054028 is 82045004.

It is a junction number, because it is equal to n+sod(n) for n = 40053994 and 40054012.

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, 17900 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (3344348).

Almost surely, 2^40054028 is an apocalyptic number.

It is an amenable number.

40054028 is an abundant number, since it is smaller than the sum of its proper divisors (40210324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40054028 is a wasteful number, since it uses less digits than its factorization.

40054028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40054028 is about 6328.8251674383. The cubic root of 40054028 is about 342.1490976955.

The spelling of 40054028 in words is "forty million, fifty-four thousand, twenty-eight".