5818997012400 has 2160 divisors, whose sum is σ = 24901841555136. Its totient is φ = 1248952320000.

The previous prime is 5818997012377. The next prime is 5818997012447. The reversal of 5818997012400 is 42107998185.

It is a happy number.

5818997012400 is a `hidden beast` number, since 5 + 81 + 8 + 99 + 70 + 1 + 2 + 400 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 16484410624 + ... + 16484410976.

Almost surely, 2^{5818997012400} is an apocalyptic number.

5818997012400 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 5818997012400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12450920777568).

5818997012400 is an abundant number, since it is smaller than the sum of its proper divisors (19082844542736).

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

5818997012400 is a wasteful number, since it uses less digits than its factorization.

5818997012400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 5818997012400 in words is "five trillion, eight hundred eighteen billion, nine hundred ninety-seven million, twelve thousand, four hundred".