42048291845 has 12 divisors (see below), whose sum is σ = 58695983244. Its totient is φ = 28833114240.

The previous prime is 42048291809. The next prime is 42048291847. The reversal of 42048291845 is 54819284024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5692098916 + 36356192929 = 75446^2 + 190673^2 .

It is not a de Polignac number, because 42048291845 - 2²⁰ = 42047243269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42048291845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42048291847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85812596 + ... + 85813085.

It is an arithmetic number, because the mean of its divisors is an integer number (4891331937).

Almost surely, 2^42048291845 is an apocalyptic number.

It is an amenable number.

42048291845 is a deficient number, since it is larger than the sum of its proper divisors (16647691399).

42048291845 is a wasteful number, since it uses less digits than its factorization.

42048291845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171625700 (or 171625693 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 42048291845 in words is "forty-two billion, forty-eight million, two hundred ninety-one thousand, eight hundred forty-five".