244573421400 has 1152 divisors, whose sum is σ = 1059172208640. Its totient is φ = 49102848000.

The previous prime is 244573421371. The next prime is 244573421489. The reversal of 244573421400 is 4124375442.

244573421400 is a `hidden beast` number, since 2 + 4 + 4 + 573 + 42 + 1 + 40 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 1096741689 + ... + 1096741911.

It is an arithmetic number, because the mean of its divisors is an integer number (919420320).

Almost surely, 2^244573421400 is an apocalyptic number.

244573421400 is a gapful number since it is divisible by the number (20) 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 244573421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529586104320).

244573421400 is an abundant number, since it is smaller than the sum of its proper divisors (814598787240).

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

244573421400 is a wasteful number, since it uses less digits than its factorization.

244573421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 244573421400 its reverse (4124375442), we get a palindrome (248697796842).

The spelling of 244573421400 in words is "two hundred forty-four billion, five hundred seventy-three million, four hundred twenty-one thousand, four hundred".