2499937440800 has 54 divisors (see below), whose sum is σ = 6103081453959. Its totient is φ = 999957088000.

The previous prime is 2499937440733. The next prime is 2499937440821. The reversal of 2499937440800 is 80447399942.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 2185938594064 + 313998846736 = 1478492^2 + 560356^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1118020.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2499937440800.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44692850 + ... + 44748750.

Almost surely, 2^{2499937440800} is an apocalyptic number.

2499937440800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2499937440800 is an abundant number, since it is smaller than the sum of its proper divisors (3603144013159).

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

2499937440800 is an frugal number, since it uses more digits than its factorization.

2499937440800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111822 (or 55908 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 2499937440800 in words is "two trillion, four hundred ninety-nine billion, nine hundred thirty-seven million, four hundred forty thousand, eight hundred".