42250542555 has 16 divisors (see below), whose sum is σ = 72800935200. Its totient is φ = 20800267008.

The previous prime is 42250542547. The next prime is 42250542557. The reversal of 42250542555 is 55524505224.

It is not a de Polignac number, because 42250542555 - 2³ = 42250542547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42250542557) 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, 108334530 + ... + 108334919.

It is an arithmetic number, because the mean of its divisors is an integer number (4550058450).

Almost surely, 2^42250542555 is an apocalyptic number.

42250542555 is a deficient number, since it is larger than the sum of its proper divisors (30550392645).

42250542555 is a wasteful number, since it uses less digits than its factorization.

42250542555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216669470.

The product of its (nonzero) digits is 400000, while the sum is 39.

The spelling of 42250542555 in words is "forty-two billion, two hundred fifty million, five hundred forty-two thousand, five hundred fifty-five".