40789880 has 16 divisors (see below), whose sum is σ = 91777320. Its totient is φ = 16315936.

The previous prime is 40789877. The next prime is 40789901. The reversal of 40789880 is 8898704.

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, 509834 + ... + 509913.

Almost surely, 2^40789880 is an apocalyptic number.

40789880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40789880 is an abundant number, since it is smaller than the sum of its proper divisors (50987440).

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

40789880 is a wasteful number, since it uses less digits than its factorization.

40789880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019758 (or 1019754 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 40789880 is about 6386.6955462117. The cubic root of 40789880 is about 344.2316584545.

The spelling of 40789880 in words is "forty million, seven hundred eighty-nine thousand, eight hundred eighty".