120440555499 has 32 divisors (see below), whose sum is σ = 175648112640. Its totient is φ = 72802087200.

The previous prime is 120440555489. The next prime is 120440555519. The reversal of 120440555499 is 994555044021.

It is not a de Polignac number, because 120440555499 - 2⁸ = 120440555243 is a prime.

It is a super-3 number, since 3×120440555499³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120440555489) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29524942 + ... + 29529020.

It is an arithmetic number, because the mean of its divisors is an integer number (5489003520).

Almost surely, 2^120440555499 is an apocalyptic number.

120440555499 is a deficient number, since it is larger than the sum of its proper divisors (55207557141).

120440555499 is a wasteful number, since it uses less digits than its factorization.

120440555499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 120440555499 in words is "one hundred twenty billion, four hundred forty million, five hundred fifty-five thousand, four hundred ninety-nine".