545021240652 has 84 divisors (see below), whose sum is σ = 1634316154576. Its totient is φ = 155720348640.

The previous prime is 545021240641. The next prime is 545021240741. The reversal of 545021240652 is 256042120545.

545021240652 is a `hidden beast` number, since 54 + 502 + 1 + 2 + 40 + 65 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13330099 + ... + 13370922.

Almost surely, 2^545021240652 is an apocalyptic number.

It is an amenable number.

545021240652 is an abundant number, since it is smaller than the sum of its proper divisors (1089294913924).

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

545021240652 is a wasteful number, since it uses less digits than its factorization.

545021240652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701050 (or 26701033 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 545021240652 in words is "five hundred forty-five billion, twenty-one million, two hundred forty thousand, six hundred fifty-two".