2445091968 has 64 divisors (see below), whose sum is σ = 7085221920. Its totient is φ = 740935680.

The previous prime is 2445091933. The next prime is 2445091973. The reversal of 2445091968 is 8691905442.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2445091968² = 11956949463956226048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285205 + ... + 293652.

Almost surely, 2^2445091968 is an apocalyptic number.

It is an amenable number.

2445091968 is an abundant number, since it is smaller than the sum of its proper divisors (4640129952).

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

2445091968 is a wasteful number, since it uses less digits than its factorization.

2445091968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578885 (or 578873 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 2445091968 is about 49447.8712180818. The cubic root of 2445091968 is about 1347.1989417414.

The spelling of 2445091968 in words is "two billion, four hundred forty-five million, ninety-one thousand, nine hundred sixty-eight".