40326928 has 10 divisors (see below), whose sum is σ = 78133454. Its totient is φ = 20163456.

The previous prime is 40326919. The next prime is 40326931. The reversal of 40326928 is 82962304.

It can be written as a sum of positive squares in only one way, i.e., 20684304 + 19642624 = 4548^2 + 4432^2 .

It is a super-2 number, since 2×40326928² = 3252522243834368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40326893 and 40326902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260201 + ... + 1260232.

Almost surely, 2^40326928 is an apocalyptic number.

It is an amenable number.

40326928 is a deficient number, since it is larger than the sum of its proper divisors (37806526).

40326928 is a wasteful number, since it uses less digits than its factorization.

40326928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520441 (or 2520435 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40326928 is about 6350.3486518458. The cubic root of 40326928 is about 342.9243940830.

The spelling of 40326928 in words is "forty million, three hundred twenty-six thousand, nine hundred twenty-eight".