244255400400000 has 384 divisors, whose sum is σ = 884675344029120. Its totient is φ = 59213427200000.

The previous prime is 244255400399999. The next prime is 244255400400019. The reversal of 244255400400000 is 4004552442.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 3947902 + ... + 22452098.

Almost surely, 2^{244255400400000} is an apocalyptic number.

244255400400000 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 244255400400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442337672014560).

244255400400000 is an abundant number, since it is smaller than the sum of its proper divisors (640419943629120).

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

244255400400000 is an equidigital number, since it uses as much as digits as its factorization.

244255400400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18504250 (or 18504218 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 244255400400000 its reverse (4004552442), we get a palindrome (244259404952442).

The spelling of 244255400400000 in words is "two hundred forty-four trillion, two hundred fifty-five billion, four hundred million, four hundred thousand".