40321370880 has 648 divisors, whose sum is σ = 165085777584. Its totient is φ = 9057484800.

The previous prime is 40321370861. The next prime is 40321370893. The reversal of 40321370880 is 8807312304.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34432695 + ... + 34433865.

Almost surely, 2^40321370880 is an apocalyptic number.

40321370880 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 40321370880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82542888792).

40321370880 is an abundant number, since it is smaller than the sum of its proper divisors (124764406704).

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

40321370880 is a wasteful number, since it uses less digits than its factorization.

40321370880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 40321370880 in words is "forty billion, three hundred twenty-one million, three hundred seventy thousand, eight hundred eighty".