40993028 has 6 divisors (see below), whose sum is σ = 71737806. Its totient is φ = 20496512.

The previous prime is 40992949. The next prime is 40993063. The reversal of 40993028 is 82039904.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 3268864 = 6142^2 + 1808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5124125 + ... + 5124132.

It is an arithmetic number, because the mean of its divisors is an integer number (11956301).

Almost surely, 2^40993028 is an apocalyptic number.

It is an amenable number.

40993028 is a deficient number, since it is larger than the sum of its proper divisors (30744778).

40993028 is a wasteful number, since it uses less digits than its factorization.

40993028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248261 (or 10248259 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 40993028 is about 6402.5797925524. The cubic root of 40993028 is about 344.8021774257.

The spelling of 40993028 in words is "forty million, nine hundred ninety-three thousand, twenty-eight".