59420663640 has 576 divisors, whose sum is σ = 220786806240. Its totient is φ = 14362583040.

The previous prime is 59420663623. The next prime is 59420663651. The reversal of 59420663640 is 4636602495.

59420663640 is a `hidden beast` number, since 5 + 9 + 4 + 2 + 0 + 6 + 636 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 100203184 + ... + 100203776.

Almost surely, 2^59420663640 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 59420663640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110393403120).

59420663640 is an abundant number, since it is smaller than the sum of its proper divisors (161366142600).

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

59420663640 is a wasteful number, since it uses less digits than its factorization.

59420663640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 59420663640 in words is "fifty-nine billion, four hundred twenty million, six hundred sixty-three thousand, six hundred forty".