104898578858640 has 1120 divisors, whose sum is σ = 425991709118976. Its totient is φ = 23516505169920.

The previous prime is 104898578858611. The next prime is 104898578858771. The reversal of 104898578858640 is 46858875898401.

104898578858640 is a `hidden beast` number, since 1 + 0 + 489 + 8 + 5 + 7 + 88 + 58 + 6 + 4 + 0 = 666.

It is a super-2 number, since 2×104898578858640² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a self number, because there is not a number n which added to its sum of digits gives 104898578858640.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 5394065397 + ... + 5394084843.

Almost surely, 2^{104898578858640} is an apocalyptic number.

104898578858640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104898578858640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212995854559488).

104898578858640 is an abundant number, since it is smaller than the sum of its proper divisors (321093130260336).

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

104898578858640 is a wasteful number, since it uses less digits than its factorization.

104898578858640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19739 (or 19718 counting only the distinct ones).

The product of its (nonzero) digits is 4954521600, while the sum is 81.

The spelling of 104898578858640 in words is "one hundred four trillion, eight hundred ninety-eight billion, five hundred seventy-eight million, eight hundred fifty-eight thousand, six hundred forty".