40039699180800 has 2592 divisors, whose sum is σ = 160042621616640. Its totient is φ = 8771862528000.

The previous prime is 40039699180769. The next prime is 40039699180801. The reversal of 40039699180800 is 808199693004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40039699180801) by changing a digit.

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 287 ways as a sum of consecutive naturals, for example, 127922361444 + ... + 127922361756.

Almost surely, 2^{40039699180800} is an apocalyptic number.

40039699180800 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 40039699180800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80021310808320).

40039699180800 is an abundant number, since it is smaller than the sum of its proper divisors (120002922435840).

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

40039699180800 is a wasteful number, since it uses less digits than its factorization.

40039699180800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 40039699180800 in words is "forty trillion, thirty-nine billion, six hundred ninety-nine million, one hundred eighty thousand, eight hundred".