40145751884 has 24 divisors (see below), whose sum is σ = 80451157248. Its totient is φ = 17171110800.

The previous prime is 40145751829. The next prime is 40145751887. The reversal of 40145751884 is 48815754104.

It is a super-2 number, since 2×40145751884² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40145751887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411142 + ... + 1439309.

It is an arithmetic number, because the mean of its divisors is an integer number (3352131552).

Almost surely, 2^40145751884 is an apocalyptic number.

It is an amenable number.

40145751884 is an abundant number, since it is smaller than the sum of its proper divisors (40305405364).

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

40145751884 is a wasteful number, since it uses less digits than its factorization.

40145751884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850965 (or 2850963 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 40145751884 in words is "forty billion, one hundred forty-five million, seven hundred fifty-one thousand, eight hundred eighty-four".