2612445444 has 72 divisors (see below), whose sum is σ = 7620412800. Its totient is φ = 739158912.

The previous prime is 2612445427. The next prime is 2612445449. The reversal of 2612445444 is 4445442162.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 2612445399 and 2612445408.

It is not an unprimeable number, because it can be changed into a prime (2612445449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24369 + ... + 76280.

Almost surely, 2^2612445444 is an apocalyptic number.

It is an amenable number.

2612445444 is an abundant number, since it is smaller than the sum of its proper divisors (5007967356).

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

2612445444 is a wasteful number, since it uses less digits than its factorization.

2612445444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100769 (or 100764 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 2612445444 is about 51112.0870636291. The cubic root of 2612445444 is about 1377.2593939244.

The spelling of 2612445444 in words is "two billion, six hundred twelve million, four hundred forty-five thousand, four hundred forty-four".