2620406260404 has 36 divisors (see below), whose sum is σ = 6627876038784. Its totient is φ = 872931875472.

The previous prime is 2620406260399. The next prime is 2620406260453. The reversal of 2620406260404 is 4040626040262.

2620406260404 is a `hidden beast` number, since 2 + 6 + 2 + 0 + 40 + 6 + 2 + 604 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22310532 + ... + 22427675.

It is an arithmetic number, because the mean of its divisors is an integer number (184107667744).

Almost surely, 2^{2620406260404} is an apocalyptic number.

It is an amenable number.

2620406260404 is an abundant number, since it is smaller than the sum of its proper divisors (4007469778380).

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

2620406260404 is a wasteful number, since it uses less digits than its factorization.

2620406260404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44739844 (or 44739839 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 2620406260404 in words is "two trillion, six hundred twenty billion, four hundred six million, two hundred sixty thousand, four hundred four".