549296914572 has 144 divisors (see below), whose sum is σ = 1656464660032. Its totient is φ = 150196861440.

The previous prime is 549296914571. The next prime is 549296914577. The reversal of 549296914572 is 275419692945.

549296914572 is a `hidden beast` number, since 5 + 4 + 9 + 2 + 96 + 91 + 457 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (549296914571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85878 + ... + 1051650.

Almost surely, 2^549296914572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549296914572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828232330016).

549296914572 is an abundant number, since it is smaller than the sum of its proper divisors (1107167745460).

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

549296914572 is a wasteful number, since it uses less digits than its factorization.

549296914572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965888 (or 965883 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 549296914572 in words is "five hundred forty-nine billion, two hundred ninety-six million, nine hundred fourteen thousand, five hundred seventy-two".