555442690000 has 200 divisors, whose sum is σ = 1469503883232. Its totient is φ = 201639360000.

The previous prime is 555442689983. The next prime is 555442690037. The reversal of 555442690000 is 96244555.

555442690000 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 (200).

It is a super-2 number, since 2×555442690000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 70726074 + ... + 70733926.

Almost surely, 2^555442690000 is an apocalyptic number.

555442690000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555442690000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734751941616).

555442690000 is an abundant number, since it is smaller than the sum of its proper divisors (914061193232).

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

555442690000 is a wasteful number, since it uses less digits than its factorization.

555442690000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535 (or 8514 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 555442690000 in words is "five hundred fifty-five billion, four hundred forty-two million, six hundred ninety thousand".