1401501332 has 72 divisors (see below), whose sum is σ = 3276332640. Its totient is φ = 517285440.

The previous prime is 1401501331. The next prime is 1401501337. The reversal of 1401501332 is 2331051041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401501331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23858 + ... + 58070.

It is an arithmetic number, because the mean of its divisors is an integer number (45504620).

Almost surely, 2^1401501332 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 1401501332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638166320).

1401501332 is an abundant number, since it is smaller than the sum of its proper divisors (1874831308).

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

1401501332 is a wasteful number, since it uses less digits than its factorization.

1401501332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34261 (or 34252 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1401501332 is about 37436.6308847364. The cubic root of 1401501332 is about 1119.0886857723.

Adding to 1401501332 its reverse (2331051041), we get a palindrome (3732552373).

The spelling of 1401501332 in words is "one billion, four hundred one million, five hundred one thousand, three hundred thirty-two".