2642044155 has 16 divisors (see below), whose sum is σ = 4411065600. Its totient is φ = 1347825248.

The previous prime is 2642044127. The next prime is 2642044157. The reversal of 2642044155 is 5514402462.

It is a cyclic number.

It is not a de Polignac number, because 2642044155 - 2⁶ = 2642044091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642044157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3828705 + ... + 3829394.

It is an arithmetic number, because the mean of its divisors is an integer number (275691600).

Almost surely, 2^2642044155 is an apocalyptic number.

2642044155 is a deficient number, since it is larger than the sum of its proper divisors (1769021445).

2642044155 is a wasteful number, since it uses less digits than its factorization.

2642044155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7658130.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2642044155 is about 51400.8186218858. The cubic root of 2642044155 is about 1382.4412705438.

The spelling of 2642044155 in words is "two billion, six hundred forty-two million, forty-four thousand, one hundred fifty-five".