2104104869640 has 384 divisors, whose sum is σ = 7422538032000. Its totient is φ = 515242930176.

The previous prime is 2104104869609. The next prime is 2104104869651. The reversal of 2104104869640 is 469684014012.

2104104869640 is a `hidden beast` number, since 2 + 1 + 0 + 41 + 0 + 486 + 96 + 40 = 666.

It is a super-2 number, since 2×2104104869640² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30054196 + ... + 30124124.

It is an arithmetic number, because the mean of its divisors is an integer number (19329526125).

Almost surely, 2^{2104104869640} is an apocalyptic number.

2104104869640 is a gapful number since it is divisible by the number (20) 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 2104104869640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3711269016000).

2104104869640 is an abundant number, since it is smaller than the sum of its proper divisors (5318433162360).

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

2104104869640 is a wasteful number, since it uses less digits than its factorization.

2104104869640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70101 (or 70094 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 2104104869640 in words is "two trillion, one hundred four billion, one hundred four million, eight hundred sixty-nine thousand, six hundred forty".