2604749373540 has 96 divisors (see below), whose sum is σ = 8365073310720. Its totient is φ = 672193382400.

The previous prime is 2604749373493. The next prime is 2604749373547. The reversal of 2604749373540 is 453739474062.

It is a happy number.

2604749373540 is a `hidden beast` number, since 2 + 6 + 0 + 4 + 7 + 4 + 93 + 7 + 3 + 540 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2604749373547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77783421 + ... + 77816900.

It is an arithmetic number, because the mean of its divisors is an integer number (87136180320).

Almost surely, 2^{2604749373540} is an apocalyptic number.

2604749373540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604749373540 is an abundant number, since it is smaller than the sum of its proper divisors (5760323937180).

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

2604749373540 is a wasteful number, since it uses less digits than its factorization.

2604749373540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155600370 (or 155600362 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 2604749373540 in words is "two trillion, six hundred four billion, seven hundred forty-nine million, three hundred seventy-three thousand, five hundred forty".