556421336301400 has 192 divisors, whose sum is σ = 1341015403092480. Its totient is φ = 214567196659200.

The previous prime is 556421336301379. The next prime is 556421336301463. The reversal of 556421336301400 is 4103633124655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16136088559 + ... + 16136123041.

It is an arithmetic number, because the mean of its divisors is an integer number (6984455224440).

Almost surely, 2^{556421336301400} is an apocalyptic number.

556421336301400 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 556421336301400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670507701546240).

556421336301400 is an abundant number, since it is smaller than the sum of its proper divisors (784594066791080).

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

556421336301400 is a wasteful number, since it uses less digits than its factorization.

556421336301400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60234 (or 60225 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 556421336301400 in words is "five hundred fifty-six trillion, four hundred twenty-one billion, three hundred thirty-six million, three hundred one thousand, four hundred".