40945789320 has 32 divisors (see below), whose sum is σ = 122837368320. Its totient is φ = 10918877120.

The previous prime is 40945789319. The next prime is 40945789351. The reversal of 40945789320 is 2398754904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170607336 + ... + 170607575.

It is an arithmetic number, because the mean of its divisors is an integer number (3838667760).

Almost surely, 2^40945789320 is an apocalyptic number.

40945789320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40945789320 is an abundant number, since it is smaller than the sum of its proper divisors (81891579000).

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

40945789320 is a wasteful number, since it uses less digits than its factorization.

40945789320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341214925 (or 341214921 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 40945789320 in words is "forty billion, nine hundred forty-five million, seven hundred eighty-nine thousand, three hundred twenty".