2642520276 has 36 divisors (see below), whose sum is σ = 7286950944. Its totient is φ = 800763600.

The previous prime is 2642520263. The next prime is 2642520277. The reversal of 2642520276 is 6720252462.

2642520276 is a `hidden beast` number, since 2 + 64 + 2 + 520 + 2 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2642520276² = 13965826818142232352, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2642520276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642520277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3336120 + ... + 3336911.

It is an arithmetic number, because the mean of its divisors is an integer number (202415304).

Almost surely, 2^2642520276 is an apocalyptic number.

It is an amenable number.

2642520276 is an abundant number, since it is smaller than the sum of its proper divisors (4644430668).

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

2642520276 is a wasteful number, since it uses less digits than its factorization.

2642520276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673052 (or 6673047 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2642520276 is about 51405.4498667213. The cubic root of 2642520276 is about 1382.5243084931.

The spelling of 2642520276 in words is "two billion, six hundred forty-two million, five hundred twenty thousand, two hundred seventy-six".