545405244522 has 16 divisors (see below), whose sum is σ = 1090943080320. Its totient is φ = 181779649632.

The previous prime is 545405244493. The next prime is 545405244539. The reversal of 545405244522 is 225442504545.

It is a happy number.

It is a super-2 number, since 2×545405244522² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5471122 + ... + 5569917.

It is an arithmetic number, because the mean of its divisors is an integer number (68183942520).

Almost surely, 2^545405244522 is an apocalyptic number.

545405244522 is an abundant number, since it is smaller than the sum of its proper divisors (545537835798).

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

545405244522 is a wasteful number, since it uses less digits than its factorization.

545405244522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11049277.

The product of its (nonzero) digits is 1280000, while the sum is 42.

The spelling of 545405244522 in words is "five hundred forty-five billion, four hundred five million, two hundred forty-four thousand, five hundred twenty-two".