40828280 has 16 divisors (see below), whose sum is σ = 91863720. Its totient is φ = 16331296.

The previous prime is 40828267. The next prime is 40828297. The reversal of 40828280 is 8282804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510314 + ... + 510393.

Almost surely, 2^40828280 is an apocalyptic number.

40828280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40828280 is an abundant number, since it is smaller than the sum of its proper divisors (51035440).

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

40828280 is a wasteful number, since it uses less digits than its factorization.

40828280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020718 (or 1020714 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 40828280 is about 6389.7010884704. The cubic root of 40828280 is about 344.3396456141.

The spelling of 40828280 in words is "forty million, eight hundred twenty-eight thousand, two hundred eighty".