1402444412244 has 144 divisors (see below), whose sum is σ = 3837997852416. Its totient is φ = 430176384000.

The previous prime is 1402444412231. The next prime is 1402444412273. The reversal of 1402444412244 is 4422144442041.

1402444412244 is a `hidden beast` number, since 1 + 402 + 4 + 4 + 4 + 4 + 1 + 2 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1402444412199 and 1402444412208.

It is a congruent number.

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, 6121969 + ... + 6346919.

It is an arithmetic number, because the mean of its divisors is an integer number (26652762864).

Almost surely, 2^{1402444412244} 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 1402444412244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1918998926208).

1402444412244 is an abundant number, since it is smaller than the sum of its proper divisors (2435553440172).

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

1402444412244 is a wasteful number, since it uses less digits than its factorization.

1402444412244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225206 (or 225201 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 1402444412244 its reverse (4422144442041), we get a palindrome (5824588854285).

The spelling of 1402444412244 in words is "one trillion, four hundred two billion, four hundred forty-four million, four hundred twelve thousand, two hundred forty-four".