545370390858 has 32 divisors (see below), whose sum is σ = 1150104291840. Its totient is φ = 171928813680.

The previous prime is 545370390857. The next prime is 545370390869. The reversal of 545370390858 is 858093073545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 545370390798 and 545370390807.

It is not an unprimeable number, because it can be changed into a prime (545370390857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4007998 + ... + 4141833.

It is an arithmetic number, because the mean of its divisors is an integer number (35940759120).

Almost surely, 2^545370390858 is an apocalyptic number.

545370390858 is an abundant number, since it is smaller than the sum of its proper divisors (604733900982).

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

545370390858 is a wasteful number, since it uses less digits than its factorization.

545370390858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150442.

The product of its (nonzero) digits is 18144000, while the sum is 57.

The spelling of 545370390858 in words is "five hundred forty-five billion, three hundred seventy million, three hundred ninety thousand, eight hundred fifty-eight".