554964721920 has 1152 divisors, whose sum is σ = 2306715156480. Its totient is φ = 125285916672.

The previous prime is 554964721907. The next prime is 554964721937. The reversal of 554964721920 is 29127469455.

It is a happy number.

554964721920 is a `hidden beast` number, since 5 + 5 + 496 + 47 + 21 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2488630929 + ... + 2488631151.

Almost surely, 2^554964721920 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 554964721920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153357578240).

554964721920 is an abundant number, since it is smaller than the sum of its proper divisors (1751750434560).

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

554964721920 is an equidigital number, since it uses as much as digits as its factorization.

554964721920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 554964721920 in words is "five hundred fifty-four billion, nine hundred sixty-four million, seven hundred twenty-one thousand, nine hundred twenty".