4099859585720 has 64 divisors (see below), whose sum is σ = 9399765191040. Its totient is φ = 1608825088000.

The previous prime is 4099859585677. The next prime is 4099859585737. The reversal of 4099859585720 is 275859589904.

It is a Cunningham number, because it is equal to 2024811²-1.

It is a congruent number.

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, 20146880 + ... + 20349360.

It is an arithmetic number, because the mean of its divisors is an integer number (146871331110).

Almost surely, 2^{4099859585720} is an apocalyptic number.

4099859585720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4099859585720 is an abundant number, since it is smaller than the sum of its proper divisors (5299905605320).

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

4099859585720 is a wasteful number, since it uses less digits than its factorization.

4099859585720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212096 (or 212092 counting only the distinct ones).

The product of its (nonzero) digits is 326592000, while the sum is 71.

The spelling of 4099859585720 in words is "four trillion, ninety-nine billion, eight hundred fifty-nine million, five hundred eighty-five thousand, seven hundred twenty".