2470987780 has 24 divisors (see below), whose sum is σ = 5190601752. Its totient is φ = 988104192.

The previous prime is 2470987777. The next prime is 2470987787. The reversal of 2470987780 is 877890742.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98128836 + 2372858944 = 9906^2 + 48712^2 .

It is a super-2 number, since 2×2470987780² = 12211561217818656800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2470987787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59574 + ... + 92146.

It is an arithmetic number, because the mean of its divisors is an integer number (216275073).

Almost surely, 2^2470987780 is an apocalyptic number.

2470987780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2470987780 is an abundant number, since it is smaller than the sum of its proper divisors (2719613972).

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

2470987780 is a wasteful number, since it uses less digits than its factorization.

2470987780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36375 (or 36373 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The square root of 2470987780 is about 49709.0311714079. The cubic root of 2470987780 is about 1351.9382820525.

The spelling of 2470987780 in words is "two billion, four hundred seventy million, nine hundred eighty-seven thousand, seven hundred eighty".