1401700722256 has 80 divisors (see below), whose sum is σ = 2958069600000. Its totient is φ = 640903269888.

The previous prime is 1401700722217. The next prime is 1401700722263. The reversal of 1401700722256 is 6522270071041.

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, 38322505 + ... + 38359063.

It is an arithmetic number, because the mean of its divisors is an integer number (36975870000).

Almost surely, 2^{1401700722256} is an apocalyptic number.

1401700722256 is a gapful number since it is divisible by the number (16) 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 1401700722256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1479034800000).

1401700722256 is an abundant number, since it is smaller than the sum of its proper divisors (1556368877744).

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

1401700722256 is a wasteful number, since it uses less digits than its factorization.

1401700722256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40964 (or 40958 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 1401700722256 its reverse (6522270071041), we get a palindrome (7923970793297).

The spelling of 1401700722256 in words is "one trillion, four hundred one billion, seven hundred million, seven hundred twenty-two thousand, two hundred fifty-six".