40008844840080 has 80 divisors (see below), whose sum is σ = 124030735435584. Its totient is φ = 10668740006400.

The previous prime is 40008844839973. The next prime is 40008844840157. The reversal of 40008844840080 is 8004844880004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6842155 + ... + 11262005.

Almost surely, 2^{40008844840080} is an apocalyptic number.

40008844840080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40008844840080 is an abundant number, since it is smaller than the sum of its proper divisors (84021890595504).

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

40008844840080 is a wasteful number, since it uses less digits than its factorization.

40008844840080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457584 (or 4457578 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 48.

The spelling of 40008844840080 in words is "forty trillion, eight billion, eight hundred forty-four million, eight hundred forty thousand, eighty".