110421432 has 96 divisors (see below), whose sum is σ = 329546880. Its totient is φ = 33122880.

The previous prime is 110421383. The next prime is 110421433. The reversal of 110421432 is 234124011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110421433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84093 + ... + 85395.

It is an arithmetic number, because the mean of its divisors is an integer number (3432780).

Almost surely, 2^110421432 is an apocalyptic number.

110421432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110421432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164773440).

110421432 is an abundant number, since it is smaller than the sum of its proper divisors (219125448).

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

110421432 is a wasteful number, since it uses less digits than its factorization.

110421432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 110421432 is about 10508.1602576284. The cubic root of 110421432 is about 479.7531021915.

Adding to 110421432 its reverse (234124011), we get a palindrome (344545443).

The spelling of 110421432 in words is "one hundred ten million, four hundred twenty-one thousand, four hundred thirty-two".