1401402013044 has 96 divisors (see below), whose sum is σ = 3786057676800. Its totient is φ = 398732674560.

The previous prime is 1401402013043. The next prime is 1401402013093. The reversal of 1401402013044 is 4403102041041.

It is a super-2 number, since 2×1401402013044² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401402013043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194997 + ... + 1685475.

It is an arithmetic number, because the mean of its divisors is an integer number (39438100800).

Almost surely, 2^{1401402013044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401402013044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893028838400).

1401402013044 is an abundant number, since it is smaller than the sum of its proper divisors (2384655663756).

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

1401402013044 is a wasteful number, since it uses less digits than its factorization.

1401402013044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490933 (or 1490931 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1401402013044 its reverse (4403102041041), we get a palindrome (5804504054085).

The spelling of 1401402013044 in words is "one trillion, four hundred one billion, four hundred two million, thirteen thousand, forty-four".