1401844704 has 96 divisors (see below), whose sum is σ = 3978906624. Its totient is φ = 429596160.

The previous prime is 1401844699. The next prime is 1401844709. The reversal of 1401844704 is 4074481041.

It is an interprime number because it is at equal distance from previous prime (1401844699) and next prime (1401844709).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401844709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326089 + ... + 330359.

It is an arithmetic number, because the mean of its divisors is an integer number (41446944).

Almost surely, 2^1401844704 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 1401844704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989453312).

1401844704 is an abundant number, since it is smaller than the sum of its proper divisors (2577061920).

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

1401844704 is a wasteful number, since it uses less digits than its factorization.

1401844704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 1401844704 is about 37441.2166468986. The cubic root of 1401844704 is about 1119.1800716630.

The spelling of 1401844704 in words is "one billion, four hundred one million, eight hundred forty-four thousand, seven hundred four".