40931047680 has 144 divisors (see below), whose sum is σ = 131223818880. Its totient is φ = 10873176064.

The previous prime is 40931047669. The next prime is 40931047697. The reversal of 40931047680 is 8674013904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989656 + ... + 1030184.

It is an arithmetic number, because the mean of its divisors is an integer number (911276520).

Almost surely, 2^40931047680 is an apocalyptic number.

40931047680 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 40931047680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65611909440).

40931047680 is an abundant number, since it is smaller than the sum of its proper divisors (90292771200).

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

40931047680 is a wasteful number, since it uses less digits than its factorization.

40931047680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40816 (or 40802 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 40931047680 in words is "forty billion, nine hundred thirty-one million, forty-seven thousand, six hundred eighty".