1401216632 has 16 divisors (see below), whose sum is σ = 2653295400. Its totient is φ = 693671200.

The previous prime is 1401216613. The next prime is 1401216667. The reversal of 1401216632 is 2366121041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866282 + ... + 867897.

Almost surely, 2^1401216632 is an apocalyptic number.

It is an amenable number.

1401216632 is a deficient number, since it is larger than the sum of its proper divisors (1252078768).

1401216632 is a wasteful number, since it uses less digits than its factorization.

1401216632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734286 (or 1734282 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1401216632 is about 37432.8282661089. The cubic root of 1401216632 is about 1119.0129036764.

Adding to 1401216632 its reverse (2366121041), we get a palindrome (3767337673).

The spelling of 1401216632 in words is "one billion, four hundred one million, two hundred sixteen thousand, six hundred thirty-two".