2516240456 has 8 divisors (see below), whose sum is σ = 4717950870. Its totient is φ = 1258120224.

The previous prime is 2516240453. The next prime is 2516240473. The reversal of 2516240456 is 6540426152.

It can be written as a sum of positive squares in only one way, i.e., 1547163556 + 969076900 = 39334^2 + 31130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2516240456² = 12662932064822175872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2516240453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157265021 + ... + 157265036.

Almost surely, 2^2516240456 is an apocalyptic number.

It is an amenable number.

2516240456 is a deficient number, since it is larger than the sum of its proper divisors (2201710414).

2516240456 is a wasteful number, since it uses less digits than its factorization.

2516240456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314530063 (or 314530059 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2516240456 is about 50162.1416608183. The cubic root of 2516240456 is about 1360.1413592973.

The spelling of 2516240456 in words is "two billion, five hundred sixteen million, two hundred forty thousand, four hundred fifty-six".