2520005105400 has 48 divisors (see below), whose sum is σ = 7812015828600. Its totient is φ = 672001361280.

The previous prime is 2520005105389. The next prime is 2520005105447. The reversal of 2520005105400 is 45015000252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 11 ways as a sum of consecutive naturals, for example, 2100003655 + ... + 2100004854.

Almost surely, 2^{2520005105400} is an apocalyptic number.

2520005105400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520005105400 is an abundant number, since it is smaller than the sum of its proper divisors (5292010723200).

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

2520005105400 is a wasteful number, since it uses less digits than its factorization.

2520005105400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200008528 (or 4200008519 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The spelling of 2520005105400 in words is "two trillion, five hundred twenty billion, five million, one hundred five thousand, four hundred".