40164872980 has 24 divisors (see below), whose sum is σ = 87254725320. Its totient is φ = 15511950720.

The previous prime is 40164872933. The next prime is 40164872987. The reversal of 40164872980 is 8927846104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1408651024 + 38756221956 = 37532^2 + 196866^2 .

It is a super-2 number, since 2×40164872980² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40164872987) 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, 34624311 + ... + 34625470.

It is an arithmetic number, because the mean of its divisors is an integer number (3635613555).

Almost surely, 2^40164872980 is an apocalyptic number.

It is an amenable number.

40164872980 is an abundant number, since it is smaller than the sum of its proper divisors (47089852340).

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

40164872980 is a wasteful number, since it uses less digits than its factorization.

40164872980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69249819 (or 69249817 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 40164872980 in words is "forty billion, one hundred sixty-four million, eight hundred seventy-two thousand, nine hundred eighty".