2562061644 has 48 divisors (see below), whose sum is σ = 6646281600. Its totient is φ = 853519248.

The previous prime is 2562061643. The next prime is 2562061657. The reversal of 2562061644 is 4461602652.

2562061644 is a `hidden beast` number, since 2 + 5 + 6 + 2 + 0 + 6 + 1 + 644 = 666.

It is a super-3 number, since 3×2562061644³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2562061599 and 2562061608.

It is not an unprimeable number, because it can be changed into a prime (2562061643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208627 + ... + 220565.

It is an arithmetic number, because the mean of its divisors is an integer number (138464200).

Almost surely, 2^2562061644 is an apocalyptic number.

It is an amenable number.

2562061644 is an abundant number, since it is smaller than the sum of its proper divisors (4084219956).

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

2562061644 is a wasteful number, since it uses less digits than its factorization.

2562061644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939 (or 13931 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2562061644 is about 50616.8118711560. The cubic root of 2562061644 is about 1368.3478839783.

The spelling of 2562061644 in words is "two billion, five hundred sixty-two million, sixty-one thousand, six hundred forty-four".