2645974752 has 48 divisors (see below), whose sum is σ = 7010623872. Its totient is φ = 873745280.

The previous prime is 2645974739. The next prime is 2645974757. The reversal of 2645974752 is 2574795462.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2645974695 and 2645974704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645974757) 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, 118524 + ... + 139067.

It is an arithmetic number, because the mean of its divisors is an integer number (146054664).

Almost surely, 2^2645974752 is an apocalyptic number.

It is an amenable number.

2645974752 is an abundant number, since it is smaller than the sum of its proper divisors (4364649120).

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

2645974752 is a wasteful number, since it uses less digits than its factorization.

2645974752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257711 (or 257703 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The square root of 2645974752 is about 51439.0391823175. The cubic root of 2645974752 is about 1383.1264883482.

The spelling of 2645974752 in words is "two billion, six hundred forty-five million, nine hundred seventy-four thousand, seven hundred fifty-two".