40075028 has 24 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 16270848.

The previous prime is 40074989. The next prime is 40075037. The reversal of 40075028 is 82057004.

It is a junction number, because it is equal to n+sod(n) for n = 40074988 and 40075006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37133 + ... + 38196.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 2^40075028 is an apocalyptic number.

It is an amenable number.

40075028 is an abundant number, since it is smaller than the sum of its proper divisors (44294572).

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

40075028 is a wasteful number, since it uses less digits than its factorization.

40075028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75359 (or 75357 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 40075028 is about 6330.4840257282. The cubic root of 40075028 is about 342.2088825751.

The spelling of 40075028 in words is "forty million, seventy-five thousand, twenty-eight".