2502022640 has 40 divisors (see below), whose sum is σ = 6264682368. Its totient is φ = 923823360.

The previous prime is 2502022637. The next prime is 2502022669. The reversal of 2502022640 is 462202052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 1201856 + ... + 1203935.

Almost surely, 2^2502022640 is an apocalyptic number.

2502022640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2502022640 is an abundant number, since it is smaller than the sum of its proper divisors (3762659728).

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

2502022640 is a wasteful number, since it uses less digits than its factorization.

2502022640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405817 (or 2405811 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2502022640 is about 50020.2223105815. Note that the first 3 decimals coincide. The cubic root of 2502022640 is about 1357.5747289416.

Adding to 2502022640 its reverse (462202052), we get a palindrome (2964224692).

The spelling of 2502022640 in words is "two billion, five hundred two million, twenty-two thousand, six hundred forty".