2520400415451 has 8 divisors (see below), whose sum is σ = 3368119744320. Its totient is φ = 1676474015112.

The previous prime is 2520400415447. The next prime is 2520400415453. The reversal of 2520400415451 is 1545140040252.

It is a happy number.

2520400415451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2520400415451 - 2² = 2520400415447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520400415453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948230581 + ... + 948233238.

It is an arithmetic number, because the mean of its divisors is an integer number (421014968040).

Almost surely, 2^{2520400415451} is an apocalyptic number.

2520400415451 is a deficient number, since it is larger than the sum of its proper divisors (847719328869).

2520400415451 is a wasteful number, since it uses less digits than its factorization.

2520400415451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896464265.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 2520400415451 in words is "two trillion, five hundred twenty billion, four hundred million, four hundred fifteen thousand, four hundred fifty-one".