2655642046 has 16 divisors (see below), whose sum is σ = 4439774160. Its totient is φ = 1183939200.

The previous prime is 2655642043. The next prime is 2655642053. The reversal of 2655642046 is 6402465562.

It is a super-2 number, since 2×2655642046² = 14104869352966132232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655642043) 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, 2054805 + ... + 2056096.

It is an arithmetic number, because the mean of its divisors is an integer number (277485885).

Almost surely, 2^2655642046 is an apocalyptic number.

2655642046 is a deficient number, since it is larger than the sum of its proper divisors (1784132114).

2655642046 is a wasteful number, since it uses less digits than its factorization.

2655642046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110939.

The product of its (nonzero) digits is 345600, while the sum is 40.

The square root of 2655642046 is about 51532.9219625668. The cubic root of 2655642046 is about 1384.8088978554.

The spelling of 2655642046 in words is "two billion, six hundred fifty-five million, six hundred forty-two thousand, forty-six".