40476920 has 48 divisors (see below), whose sum is σ = 100117080. Its totient is φ = 14717120.

The previous prime is 40476907. The next prime is 40476971. The reversal of 40476920 is 2967404.

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, 659 + ... + 9021.

Almost surely, 2^40476920 is an apocalyptic number.

40476920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40476920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50058540).

40476920 is an abundant number, since it is smaller than the sum of its proper divisors (59640160).

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

40476920 is a wasteful number, since it uses less digits than its factorization.

40476920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8396 (or 8381 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40476920 is about 6362.1474362042. The cubic root of 40476920 is about 343.3490257906.

The spelling of 40476920 in words is "forty million, four hundred seventy-six thousand, nine hundred twenty".