2619878952 has 64 divisors (see below), whose sum is σ = 6671001600. Its totient is φ = 857165760.

The previous prime is 2619878941. The next prime is 2619878977. The reversal of 2619878952 is 2598789162.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2619878892 and 2619878901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402323 + ... + 1404189.

It is an arithmetic number, because the mean of its divisors is an integer number (104234400).

Almost surely, 2^2619878952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2619878952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3335500800).

2619878952 is an abundant number, since it is smaller than the sum of its proper divisors (4051122648).

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

2619878952 is a wasteful number, since it uses less digits than its factorization.

2619878952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2922 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 2619878952 is about 51184.7531204362. The cubic root of 2619878952 is about 1378.5644513138.

The spelling of 2619878952 in words is "two billion, six hundred nineteen million, eight hundred seventy-eight thousand, nine hundred fifty-two".