40836280 has 16 divisors (see below), whose sum is σ = 91881720. Its totient is φ = 16334496.

The previous prime is 40836277. The next prime is 40836311. The reversal of 40836280 is 8263804.

It is a happy number.

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, 510414 + ... + 510493.

Almost surely, 2^40836280 is an apocalyptic number.

40836280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40836280 is an abundant number, since it is smaller than the sum of its proper divisors (51045440).

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

40836280 is a wasteful number, since it uses less digits than its factorization.

40836280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020918 (or 1020914 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40836280 is about 6390.3270651822. The cubic root of 40836280 is about 344.3621344157.

The spelling of 40836280 in words is "forty million, eight hundred thirty-six thousand, two hundred eighty".