2520645374 has 32 divisors (see below), whose sum is σ = 4433940000. Its totient is φ = 1064133504.

The previous prime is 2520645373. The next prime is 2520645409. The reversal of 2520645374 is 4735460252.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520645373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73649 + ... + 102300.

It is an arithmetic number, because the mean of its divisors is an integer number (138560625).

Almost surely, 2^2520645374 is an apocalyptic number.

2520645374 is a deficient number, since it is larger than the sum of its proper divisors (1913294626).

2520645374 is a wasteful number, since it uses less digits than its factorization.

2520645374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176012.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 2520645374 is about 50206.0292594425. The cubic root of 2520645374 is about 1360.9345821678.

The spelling of 2520645374 in words is "two billion, five hundred twenty million, six hundred forty-five thousand, three hundred seventy-four".