40296028 has 12 divisors (see below), whose sum is σ = 70564032. Its totient is φ = 20134880.

The previous prime is 40296013. The next prime is 40296037. The reversal of 40296028 is 82069204.

It is a congruent number.

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, 7701 + ... + 11827.

It is an arithmetic number, because the mean of its divisors is an integer number (5880336).

Almost surely, 2^40296028 is an apocalyptic number.

It is an amenable number.

40296028 is a deficient number, since it is larger than the sum of its proper divisors (30268004).

40296028 is a wasteful number, since it uses less digits than its factorization.

40296028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572 (or 6570 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40296028 is about 6347.9152483315. The cubic root of 40296028 is about 342.8367845385.

The spelling of 40296028 in words is "forty million, two hundred ninety-six thousand, twenty-eight".