559978226640 has 400 divisors, whose sum is σ = 2224039319040. Its totient is φ = 127919554560.

The previous prime is 559978226557. The next prime is 559978226641. The reversal of 559978226640 is 46622879955.

559978226640 is a `hidden beast` number, since 559 + 9 + 78 + 2 + 2 + 6 + 6 + 4 + 0 = 666.

It is a super-2 number, since 2×559978226640² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (559978226641) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 121970745 + ... + 121975335.

Almost surely, 2^559978226640 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 559978226640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112019659520).

559978226640 is an abundant number, since it is smaller than the sum of its proper divisors (1664061092400).

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

559978226640 is a wasteful number, since it uses less digits than its factorization.

559978226640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7312 (or 7297 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 559978226640 in words is "five hundred fifty-nine billion, nine hundred seventy-eight million, two hundred twenty-six thousand, six hundred forty".