615057623644242 has 128 divisors (see below), whose sum is σ = 1245810069504000. Its totient is φ = 202426440201216.

The previous prime is 615057623644229. The next prime is 615057623644249. The reversal of 615057623644242 is 242446326750516.

It is not an unprimeable number, because it can be changed into a prime (615057623644249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165828421884 + ... + 165828425592.

It is an arithmetic number, because the mean of its divisors is an integer number (9732891168000).

Almost surely, 2^{615057623644242} is an apocalyptic number.

615057623644242 is an abundant number, since it is smaller than the sum of its proper divisors (630752445859758).

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

615057623644242 is a wasteful number, since it uses less digits than its factorization.

615057623644242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 58060800, while the sum is 57.

The spelling of 615057623644242 in words is "six hundred fifteen trillion, fifty-seven billion, six hundred twenty-three million, six hundred forty-four thousand, two hundred forty-two".