545220542420 has 24 divisors (see below), whose sum is σ = 1145512896864. Its totient is φ = 217983501216.

The previous prime is 545220542413. The next prime is 545220542473. The reversal of 545220542420 is 24245022545.

It is a happy number.

It is a congruent number.

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, 6502034 + ... + 6585353.

It is an arithmetic number, because the mean of its divisors is an integer number (47729704036).

Almost surely, 2^545220542420 is an apocalyptic number.

It is an amenable number.

545220542420 is an abundant number, since it is smaller than the sum of its proper divisors (600292354444).

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

545220542420 is a wasteful number, since it uses less digits than its factorization.

545220542420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089479 (or 13089477 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 545220542420 its reverse (24245022545), we get a palindrome (569465564965).

The spelling of 545220542420 in words is "five hundred forty-five billion, two hundred twenty million, five hundred forty-two thousand, four hundred twenty".