545405530401 has 12 divisors (see below), whose sum is σ = 789562577700. Its totient is φ = 362793876480.

The previous prime is 545405530399. The next prime is 545405530489. The reversal of 545405530401 is 104035504545.

545405530401 is a `hidden beast` number, since 5 + 45 + 40 + 5 + 530 + 40 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 396552316176 + 148853214225 = 629724^2 + 385815^2 .

It is not a de Polignac number, because 545405530401 - 2¹ = 545405530399 is a prime.

It is a super-2 number, since 2×545405530401² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545405538401) 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, 67479940 + ... + 67488021.

It is an arithmetic number, because the mean of its divisors is an integer number (65796881475).

Almost surely, 2^545405530401 is an apocalyptic number.

It is an amenable number.

545405530401 is a deficient number, since it is larger than the sum of its proper divisors (244157047299).

545405530401 is a wasteful number, since it uses less digits than its factorization.

545405530401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134968416 (or 134968413 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 545405530401 in words is "five hundred forty-five billion, four hundred five million, five hundred thirty thousand, four hundred one".