104461178640 has 320 divisors, whose sum is σ = 411419000832. Its totient is φ = 21329049600.

The previous prime is 104461178639. The next prime is 104461178771. The reversal of 104461178640 is 46871164401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 104461178592 and 104461178601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 599895 + ... + 754185.

Almost surely, 2^104461178640 is an apocalyptic number.

104461178640 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 104461178640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205709500416).

104461178640 is an abundant number, since it is smaller than the sum of its proper divisors (306957822192).

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

104461178640 is a wasteful number, since it uses less digits than its factorization.

104461178640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154358 (or 154352 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 104461178640 in words is "one hundred four billion, four hundred sixty-one million, one hundred seventy-eight thousand, six hundred forty".