2408747815540 has 72 divisors (see below), whose sum is σ = 5579675307360. Its totient is φ = 872812966080.

The previous prime is 2408747815531. The next prime is 2408747815559. The reversal of 2408747815540 is 455187478042.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1073710 + ... + 2443429.

It is an arithmetic number, because the mean of its divisors is an integer number (77495490380).

Almost surely, 2^{2408747815540} is an apocalyptic number.

2408747815540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2408747815540 is an abundant number, since it is smaller than the sum of its proper divisors (3170927491820).

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

2408747815540 is a wasteful number, since it uses less digits than its factorization.

2408747815540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517453 (or 3517440 counting only the distinct ones).

The product of its (nonzero) digits is 10035200, while the sum is 55.

The spelling of 2408747815540 in words is "two trillion, four hundred eight billion, seven hundred forty-seven million, eight hundred fifteen thousand, five hundred forty".