1401012032 has 28 divisors (see below), whose sum is σ = 3177296160. Its totient is φ = 600433536.

The previous prime is 1401011981. The next prime is 1401012037. The reversal of 1401012032 is 2302101041.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1401011998 and 1401012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401012037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563182 + ... + 1564077.

Almost surely, 2^1401012032 is an apocalyptic number.

It is an amenable number.

1401012032 is an abundant number, since it is smaller than the sum of its proper divisors (1776284128).

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

1401012032 is an equidigital number, since it uses as much as digits as its factorization.

1401012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127278 (or 3127268 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401012032 is about 37430.0952710516. The cubic root of 1401012032 is about 1118.9584364419.

Adding to 1401012032 its reverse (2302101041), we get a palindrome (3703113073).

The spelling of 1401012032 in words is "one billion, four hundred one million, twelve thousand, thirty-two".