240451432 has 64 divisors (see below), whose sum is σ = 498960000. Its totient is φ = 107952384.

The previous prime is 240451411. The next prime is 240451481. The reversal of 240451432 is 234154042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240451397 and 240451406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914133 + ... + 914395.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^240451432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240451432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249480000).

240451432 is an abundant number, since it is smaller than the sum of its proper divisors (258508568).

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

240451432 is a wasteful number, since it uses less digits than its factorization.

240451432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240451432 is about 15506.4964450388. The cubic root of 240451432 is about 621.8358971970.

The spelling of 240451432 in words is "two hundred forty million, four hundred fifty-one thousand, four hundred thirty-two".