132400444 has 12 divisors (see below), whose sum is σ = 252764568. Its totient is φ = 60182000.

The previous prime is 132400427. The next prime is 132400451. The reversal of 132400444 is 444004231.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 1504507 + ... + 1504594.

It is an arithmetic number, because the mean of its divisors is an integer number (21063714).

Almost surely, 2^132400444 is an apocalyptic number.

It is an amenable number.

132400444 is a deficient number, since it is larger than the sum of its proper divisors (120364124).

132400444 is a wasteful number, since it uses less digits than its factorization.

132400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009116 (or 3009114 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 132400444 is about 11506.5391843073. The cubic root of 132400444 is about 509.6786954776.

Adding to 132400444 its reverse (444004231), we get a palindrome (576404675).

The spelling of 132400444 in words is "one hundred thirty-two million, four hundred thousand, four hundred forty-four".