1401222502400 has 576 divisors, whose sum is σ = 4110783768000. Its totient is φ = 473404538880.

The previous prime is 1401222502399. The next prime is 1401222502409. The reversal of 1401222502400 is 42052221041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401222502409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1281996254 + ... + 1281997346.

It is an arithmetic number, because the mean of its divisors is an integer number (7136777375).

Almost surely, 2^{1401222502400} is an apocalyptic number.

1401222502400 is a gapful number since it is divisible by the number (10) 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 1401222502400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055391884000).

1401222502400 is an abundant number, since it is smaller than the sum of its proper divisors (2709561265600).

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

1401222502400 is an equidigital number, since it uses as much as digits as its factorization.

1401222502400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 1401222502400 its reverse (42052221041), we get a palindrome (1443274723441).

The spelling of 1401222502400 in words is "one trillion, four hundred one billion, two hundred twenty-two million, five hundred two thousand, four hundred".