598818860640 has 1920 divisors, whose sum is σ = 2930978856960. Its totient is φ = 111078604800.

The previous prime is 598818860557. The next prime is 598818860701. The reversal of 598818860640 is 46068818895.

598818860640 is a `hidden beast` number, since 5 + 9 + 8 + 8 + 18 + 8 + 606 + 4 + 0 = 666.

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

It is a congruent number.

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, 402161016 + ... + 402162504.

It is an arithmetic number, because the mean of its divisors is an integer number (1526551488).

Almost surely, 2^598818860640 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 598818860640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465489428480).

598818860640 is an abundant number, since it is smaller than the sum of its proper divisors (2332159996320).

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

598818860640 is a wasteful number, since it uses less digits than its factorization.

598818860640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 598818860640 in words is "five hundred ninety-eight billion, eight hundred eighteen million, eight hundred sixty thousand, six hundred forty".