40879911187600 has 45 divisors (see below), whose sum is σ = 98214293848377. Its totient is φ = 16351913325120.

The previous prime is 40879911187579. The next prime is 40879911187631. The reversal of 40879911187600 is 678111997804.

The square root of 40879911187600 is 6393740.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14716768027536 + 26163143160064 = 3836244^2 + 5114992^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127714957 + ... + 128034643.

Almost surely, 2^{40879911187600} is an apocalyptic number.

40879911187600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

40879911187600 is the 6393740-th square number.

It is an amenable number.

40879911187600 is an abundant number, since it is smaller than the sum of its proper divisors (57334382660777).

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

40879911187600 is an frugal number, since it uses more digits than its factorization.

40879911187600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639392 (or 319694 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 61.

The spelling of 40879911187600 in words is "forty trillion, eight hundred seventy-nine billion, nine hundred eleven million, one hundred eighty-seven thousand, six hundred".