104244501640 has 128 divisors (see below), whose sum is σ = 244290816000. Its totient is φ = 40005315328.

The previous prime is 104244501637. The next prime is 104244501643. The reversal of 104244501640 is 46105442401.

It is an interprime number because it is at equal distance from previous prime (104244501637) and next prime (104244501643).

It is a super-2 number, since 2×104244501640² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104244501643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46474359 + ... + 46476601.

It is an arithmetic number, because the mean of its divisors is an integer number (1908522000).

Almost surely, 2^104244501640 is an apocalyptic number.

104244501640 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 104244501640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122145408000).

104244501640 is an abundant number, since it is smaller than the sum of its proper divisors (140046314360).

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

104244501640 is a wasteful number, since it uses less digits than its factorization.

104244501640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 104244501640 in words is "one hundred four billion, two hundred forty-four million, five hundred one thousand, six hundred forty".