2472287656 has 8 divisors (see below), whose sum is σ = 4635539370. Its totient is φ = 1236143824.

The previous prime is 2472287651. The next prime is 2472287669. The reversal of 2472287656 is 6567822742.

It can be written as a sum of positive squares in only one way, i.e., 1977225156 + 495062500 = 44466^2 + 22250^2 .

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

It is a super-3 number, since 3×2472287656³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2472287651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154517971 + ... + 154517986.

Almost surely, 2^2472287656 is an apocalyptic number.

It is an amenable number.

2472287656 is a deficient number, since it is larger than the sum of its proper divisors (2163251714).

2472287656 is a wasteful number, since it uses less digits than its factorization.

2472287656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309035963 (or 309035959 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The square root of 2472287656 is about 49722.1042997981. The cubic root of 2472287656 is about 1352.1753052213.

The spelling of 2472287656 in words is "two billion, four hundred seventy-two million, two hundred eighty-seven thousand, six hundred fifty-six".