2606720873904 has 400 divisors, whose sum is σ = 8699968333056. Its totient is φ = 738107251200.

The previous prime is 2606720873857. The next prime is 2606720873921. The reversal of 2606720873904 is 4093780276062.

2606720873904 is a `hidden beast` number, since 2 + 606 + 7 + 20 + 8 + 7 + 3 + 9 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 504101239 + ... + 504106409.

Almost surely, 2^{2606720873904} is an apocalyptic number.

2606720873904 is a gapful number since it is divisible by the number (24) 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 2606720873904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4349984166528).

2606720873904 is an abundant number, since it is smaller than the sum of its proper divisors (6093247459152).

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

2606720873904 is a wasteful number, since it uses less digits than its factorization.

2606720873904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 2606720873904 in words is "two trillion, six hundred six billion, seven hundred twenty million, eight hundred seventy-three thousand, nine hundred four".