32400112 has 20 divisors (see below), whose sum is σ = 63572320. Its totient is φ = 15994368.

The previous prime is 32400103. The next prime is 32400131. The reversal of 32400112 is 21100423.

It is a super-2 number, since 2×32400112² = 2099534515225088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32400092 and 32400101.

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, 11553 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (3178616).

Almost surely, 2^32400112 is an apocalyptic number.

It is an amenable number.

32400112 is a deficient number, since it is larger than the sum of its proper divisors (31172208).

32400112 is a wasteful number, since it uses less digits than its factorization.

32400112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25720 (or 25714 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 32400112 is about 5692.1096264917. The cubic root of 32400112 is about 318.7979380931.

Adding to 32400112 its reverse (21100423), we get a palindrome (53500535).

The spelling of 32400112 in words is "thirty-two million, four hundred thousand, one hundred twelve".