551428743120 has 40 divisors (see below), whose sum is σ = 1709429104416. Its totient is φ = 147047664768.

The previous prime is 551428743067. The next prime is 551428743157. The reversal of 551428743120 is 21347824155.

551428743120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1148809642 + ... + 1148810121.

Almost surely, 2^551428743120 is an apocalyptic number.

It is an amenable number.

551428743120 is an abundant number, since it is smaller than the sum of its proper divisors (1158000361296).

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

551428743120 is a wasteful number, since it uses less digits than its factorization.

551428743120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297619779 (or 2297619773 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 551428743120 in words is "five hundred fifty-one billion, four hundred twenty-eight million, seven hundred forty-three thousand, one hundred twenty".