2420251040 has 48 divisors (see below), whose sum is σ = 5727584520. Its totient is φ = 966451200.

The previous prime is 2420251039. The next prime is 2420251051. The reversal of 2420251040 is 401520242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2031845776 + 388405264 = 45076^2 + 19708^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 83576 + ... + 108744.

Almost surely, 2^2420251040 is an apocalyptic number.

2420251040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420251040 is an abundant number, since it is smaller than the sum of its proper divisors (3307333480).

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

2420251040 is a wasteful number, since it uses less digits than its factorization.

2420251040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25785 (or 25777 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2420251040 is about 49196.0469956683. The cubic root of 2420251040 is about 1342.6211115476.

Adding to 2420251040 its reverse (401520242), we get a palindrome (2821771282).

The spelling of 2420251040 in words is "two billion, four hundred twenty million, two hundred fifty-one thousand, forty".