549311693040 has 200 divisors, whose sum is σ = 2081281240368. Its totient is φ = 133166453760.

The previous prime is 549311693033. The next prime is 549311693089. The reversal of 549311693040 is 40396113945.

549311693040 is a `hidden beast` number, since 5 + 493 + 116 + 9 + 3 + 0 + 40 = 666.

It is a super-2 number, since 2×549311693040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3781917 + ... + 3924476.

Almost surely, 2^549311693040 is an apocalyptic number.

It is an amenable number.

549311693040 is an abundant number, since it is smaller than the sum of its proper divisors (1531969547328).

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

549311693040 is a wasteful number, since it uses less digits than its factorization.

549311693040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7706429 (or 7706414 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 549311693040 in words is "five hundred forty-nine billion, three hundred eleven million, six hundred ninety-three thousand, forty".