555874788685440 has 2560 divisors, whose sum is σ = 2216010398883840. Its totient is φ = 118235818229760.

The previous prime is 555874788685439. The next prime is 555874788685453. The reversal of 555874788685440 is 44586887478555.

It is a Harshad number since it is a multiple of its sum of digits (84).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 1649480084952 + ... + 1649480085288.

It is an arithmetic number, because the mean of its divisors is an integer number (865629062064).

Almost surely, 2^{555874788685440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555874788685440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1108005199441920).

555874788685440 is an abundant number, since it is smaller than the sum of its proper divisors (1660135610198400).

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

555874788685440 is a wasteful number, since it uses less digits than its factorization.

555874788685440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 48168960000, while the sum is 84.

The spelling of 555874788685440 in words is "five hundred fifty-five trillion, eight hundred seventy-four billion, seven hundred eighty-eight million, six hundred eighty-five thousand, four hundred forty".