1401344530400 has 72 divisors (see below), whose sum is σ = 3622269566160. Its totient is φ = 527564994560.

The previous prime is 1401344530387. The next prime is 1401344530429. The reversal of 1401344530400 is 40354431041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51506420 + ... + 51533619.

It is an arithmetic number, because the mean of its divisors is an integer number (50309299530).

Almost surely, 2^{1401344530400} is an apocalyptic number.

1401344530400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401344530400 is an abundant number, since it is smaller than the sum of its proper divisors (2220925035760).

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

1401344530400 is a wasteful number, since it uses less digits than its factorization.

1401344530400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103040076 (or 103040063 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1401344530400 its reverse (40354431041), we get a palindrome (1441698961441).

The spelling of 1401344530400 in words is "one trillion, four hundred one billion, three hundred forty-four million, five hundred thirty thousand, four hundred".