555420902400 has 1584 divisors, whose sum is σ = 2494621584000. Its totient is φ = 114944901120.

The previous prime is 555420902369. The next prime is 555420902431. The reversal of 555420902400 is 4209024555.

555420902400 is a `hidden beast` number, since 5 + 5 + 542 + 0 + 90 + 24 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (555420902369) and next prime (555420902431).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1237017376 + ... + 1237017824.

Almost surely, 2^555420902400 is an apocalyptic number.

555420902400 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 555420902400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247310792000).

555420902400 is an abundant number, since it is smaller than the sum of its proper divisors (1939200681600).

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

555420902400 is a wasteful number, since it uses less digits than its factorization.

555420902400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 555420902400 its reverse (4209024555), we get a palindrome (559629926955).

The spelling of 555420902400 in words is "five hundred fifty-five billion, four hundred twenty million, nine hundred two thousand, four hundred".