40709880 has 48 divisors (see below), whose sum is σ = 132308280. Its totient is φ = 10855872.

The previous prime is 40709869. The next prime is 40709897. The reversal of 40709880 is 8890704.

It is a super-2 number, since 2×40709880² = 3314588659228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56182 + ... + 56901.

Almost surely, 2^40709880 is an apocalyptic number.

40709880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40709880 is an abundant number, since it is smaller than the sum of its proper divisors (91598400).

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

40709880 is a wasteful number, since it uses less digits than its factorization.

40709880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113100 (or 113093 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 40709880 is about 6380.4294526309. The cubic root of 40709880 is about 344.0064673383.

The spelling of 40709880 in words is "forty million, seven hundred nine thousand, eight hundred eighty".