1401024204244 has 48 divisors (see below), whose sum is σ = 2857274517888. Its totient is φ = 588623488128.

The previous prime is 1401024204193. The next prime is 1401024204263. The reversal of 1401024204244 is 4424024201041.

It is a happy number.

It is a super-2 number, since 2×1401024204244² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410939 + ... + 2189245.

It is an arithmetic number, because the mean of its divisors is an integer number (59526552456).

Almost surely, 2^{1401024204244} is an apocalyptic number.

1401024204244 is a gapful number since it is divisible by the number (14) 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 1401024204244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428637258944).

1401024204244 is an abundant number, since it is smaller than the sum of its proper divisors (1456250313644).

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

1401024204244 is a wasteful number, since it uses less digits than its factorization.

1401024204244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779584 (or 779582 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1401024204244 its reverse (4424024201041), we get a palindrome (5825048405285).

The spelling of 1401024204244 in words is "one trillion, four hundred one billion, twenty-four million, two hundred four thousand, two hundred forty-four".