42150640259 has 64 divisors (see below), whose sum is σ = 57742626816. Its totient is φ = 29800894464.

The previous prime is 42150640183. The next prime is 42150640267. The reversal of 42150640259 is 95204605124.

It is a happy number.

It is not a de Polignac number, because 42150640259 - 2²⁰ = 42149591683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42150640859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4870274 + ... + 4878920.

It is an arithmetic number, because the mean of its divisors is an integer number (902228544).

Almost surely, 2^42150640259 is an apocalyptic number.

42150640259 is a deficient number, since it is larger than the sum of its proper divisors (15591986557).

42150640259 is a wasteful number, since it uses less digits than its factorization.

42150640259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 42150640259 in words is "forty-two billion, one hundred fifty million, six hundred forty thousand, two hundred fifty-nine".