101440332 has 36 divisors (see below), whose sum is σ = 293050576. Its totient is φ = 28982880.

The previous prime is 101440321. The next prime is 101440337. The reversal of 101440332 is 233044101.

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 (101440337) 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, 201019 + ... + 201522.

Almost surely, 2^101440332 is an apocalyptic number.

101440332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101440332 is an abundant number, since it is smaller than the sum of its proper divisors (191610244).

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

101440332 is a wasteful number, since it uses less digits than its factorization.

101440332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402558 (or 402553 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101440332 is about 10071.7591313534. The cubic root of 101440332 is about 466.3767453176.

Adding to 101440332 its reverse (233044101), we get a palindrome (334484433).

The spelling of 101440332 in words is "one hundred one million, four hundred forty thousand, three hundred thirty-two".