40203328 has 28 divisors (see below), whose sum is σ = 87032592. Its totient is φ = 18273920.

The previous prime is 40203313. The next prime is 40203343. The reversal of 40203328 is 82330204.

It is an interprime number because it is at equal distance from previous prime (40203313) and next prime (40203343).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40203299 and 40203308.

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, 27850 + ... + 29257.

Almost surely, 2^40203328 is an apocalyptic number.

It is an amenable number.

40203328 is an abundant number, since it is smaller than the sum of its proper divisors (46829264).

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

40203328 is a wasteful number, since it uses less digits than its factorization.

40203328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57130 (or 57120 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 40203328 is about 6340.6094344314. The cubic root of 40203328 is about 342.5736868823.

The spelling of 40203328 in words is "forty million, two hundred three thousand, three hundred twenty-eight".