2642404275 has 120 divisors (see below), whose sum is σ = 5640543744. Its totient is φ = 1197892800.

The previous prime is 2642404213. The next prime is 2642404277. The reversal of 2642404275 is 5724042462.

2642404275 is a `hidden beast` number, since 2 + 642 + 4 + 0 + 4 + 2 + 7 + 5 = 666.

It is not a de Polignac number, because 2642404275 - 2⁶ = 2642404211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642404277) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1856214 + ... + 1857636.

Almost surely, 2^2642404275 is an apocalyptic number.

2642404275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2642404275 is an abundant number, since it is smaller than the sum of its proper divisors (2998139469).

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

2642404275 is a wasteful number, since it uses less digits than its factorization.

2642404275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 2642404275 is about 51404.3215595732. The cubic root of 2642404275 is about 1382.5040782416.

The spelling of 2642404275 in words is "two billion, six hundred forty-two million, four hundred four thousand, two hundred seventy-five".