2642144652 has 36 divisors (see below), whose sum is σ = 7632863056. Its totient is φ = 754898400.

The previous prime is 2642144647. The next prime is 2642144653. The reversal of 2642144652 is 2564412462.

2642144652 is a `hidden beast` number, since 2 + 642 + 1 + 4 + 4 + 6 + 5 + 2 = 666.

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

It is a super-3 number, since 3×2642144652³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is not an unprimeable number, because it can be changed into a prime (2642144653) 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, 5242099 + ... + 5242602.

Almost surely, 2^2642144652 is an apocalyptic number.

It is an amenable number.

2642144652 is an abundant number, since it is smaller than the sum of its proper divisors (4990718404).

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

2642144652 is a wasteful number, since it uses less digits than its factorization.

2642144652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484718 (or 10484713 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 2642144652 is about 51401.7961942966. The cubic root of 2642144652 is about 1382.4587985676.

The spelling of 2642144652 in words is "two billion, six hundred forty-two million, one hundred forty-four thousand, six hundred fifty-two".