2451553013440 has 56 divisors (see below), whose sum is σ = 5841835509600. Its totient is φ = 979936708608.

The previous prime is 2451553013431. The next prime is 2451553013473. The reversal of 2451553013440 is 443103551542.

2451553013440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2451553013440² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2451553013440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214540 + ... + 3131659.

Almost surely, 2^{2451553013440} is an apocalyptic number.

2451553013440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451553013440 is an abundant number, since it is smaller than the sum of its proper divisors (3390282496160).

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

2451553013440 is a wasteful number, since it uses less digits than its factorization.

2451553013440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347649 (or 5347639 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 2451553013440 its reverse (443103551542), we get a palindrome (2894656564982).

The spelling of 2451553013440 in words is "two trillion, four hundred fifty-one billion, five hundred fifty-three million, thirteen thousand, four hundred forty".