2612561632 has 48 divisors (see below), whose sum is σ = 5451138000. Its totient is φ = 1228290048.

The previous prime is 2612561591. The next prime is 2612561639. The reversal of 2612561632 is 2361652162.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612561639) 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, 948994 + ... + 951742.

It is an arithmetic number, because the mean of its divisors is an integer number (113565375).

Almost surely, 2^2612561632 is an apocalyptic number.

It is an amenable number.

2612561632 is an abundant number, since it is smaller than the sum of its proper divisors (2838576368).

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

2612561632 is a wasteful number, since it uses less digits than its factorization.

2612561632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523 (or 4515 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 2612561632 is about 51113.2236510279. The cubic root of 2612561632 is about 1377.2798114024.

The spelling of 2612561632 in words is "two billion, six hundred twelve million, five hundred sixty-one thousand, six hundred thirty-two".