44400132 has 36 divisors (see below), whose sum is σ = 128267776. Its totient is φ = 12685680.

The previous prime is 44400127. The next prime is 44400137. The reversal of 44400132 is 23100444.

It is an interprime number because it is at equal distance from previous prime (44400127) and next prime (44400137).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (44400137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87844 + ... + 88347.

Almost surely, 2^44400132 is an apocalyptic number.

44400132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

44400132 is an abundant number, since it is smaller than the sum of its proper divisors (83867644).

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

44400132 is a wasteful number, since it uses less digits than its factorization.

44400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176208 (or 176203 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44400132 is about 6663.3424045294. The cubic root of 44400132 is about 354.1017614179.

Adding to 44400132 its reverse (23100444), we get a palindrome (67500576).

The spelling of 44400132 in words is "forty-four million, four hundred thousand, one hundred thirty-two".