1401616272 has 160 divisors (see below), whose sum is σ = 4456857600. Its totient is φ = 370427904.

The previous prime is 1401616247. The next prime is 1401616303. The reversal of 1401616272 is 2726161041.

1401616272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334929 + ... + 339087.

It is an arithmetic number, because the mean of its divisors is an integer number (27855360).

Almost surely, 2^1401616272 is an apocalyptic number.

1401616272 is a gapful number since it is divisible by the number (12) 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 1401616272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228428800).

1401616272 is an abundant number, since it is smaller than the sum of its proper divisors (3055241328).

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

1401616272 is a wasteful number, since it uses less digits than its factorization.

1401616272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1401616272 is about 37438.1659807208. The cubic root of 1401616272 is about 1119.1192778558.

The spelling of 1401616272 in words is "one billion, four hundred one million, six hundred sixteen thousand, two hundred seventy-two".