551244623360 has 160 divisors (see below), whose sum is σ = 1330591515264. Its totient is φ = 219018240000.

The previous prime is 551244623359. The next prime is 551244623387. The reversal of 551244623360 is 63326442155.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524494835 + ... + 524495885.

Almost surely, 2^551244623360 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 551244623360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665295757632).

551244623360 is an abundant number, since it is smaller than the sum of its proper divisors (779346891904).

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

551244623360 is a wasteful number, since it uses less digits than its factorization.

551244623360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2240 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 551244623360 in words is "five hundred fifty-one billion, two hundred forty-four million, six hundred twenty-three thousand, three hundred sixty".