545513640918 has 32 divisors (see below), whose sum is σ = 1121811055200. Its totient is φ = 176770204416.

The previous prime is 545513640899. The next prime is 545513640961. The reversal of 545513640918 is 819046315545.

It is a super-2 number, since 2×545513640918² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7834383 + ... + 7903706.

It is an arithmetic number, because the mean of its divisors is an integer number (35056595475).

Almost surely, 2^545513640918 is an apocalyptic number.

545513640918 is an abundant number, since it is smaller than the sum of its proper divisors (576297414282).

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

545513640918 is a wasteful number, since it uses less digits than its factorization.

545513640918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738256.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 545513640918 in words is "five hundred forty-five billion, five hundred thirteen million, six hundred forty thousand, nine hundred eighteen".