2520400502 has 32 divisors (see below), whose sum is σ = 4113607680. Its totient is φ = 1153772640.

The previous prime is 2520400499. The next prime is 2520400537. The reversal of 2520400502 is 2050040252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538828 + ... + 1540464.

It is an arithmetic number, because the mean of its divisors is an integer number (128550240).

Almost surely, 2^2520400502 is an apocalyptic number.

2520400502 is a deficient number, since it is larger than the sum of its proper divisors (1593207178).

2520400502 is a wasteful number, since it uses less digits than its factorization.

2520400502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2520400502 is about 50203.5905289652. The cubic root of 2520400502 is about 1360.8905107079.

Adding to 2520400502 its reverse (2050040252), we get a palindrome (4570440754).

The spelling of 2520400502 in words is "two billion, five hundred twenty million, four hundred thousand, five hundred two".