235442140 has 24 divisors (see below), whose sum is σ = 495113472. Its totient is φ = 94046400.

The previous prime is 235442107. The next prime is 235442149. The reversal of 235442140 is 41244532.

It is a happy number.

235442140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235442149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7365 + ... + 22915.

It is an arithmetic number, because the mean of its divisors is an integer number (20629728).

Almost surely, 2^235442140 is an apocalyptic number.

235442140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235442140 is an abundant number, since it is smaller than the sum of its proper divisors (259671332).

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

235442140 is a wasteful number, since it uses less digits than its factorization.

235442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16317 (or 16315 counting only the distinct ones).

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

The square root of 235442140 is about 15344.1239567464. The cubic root of 235442140 is about 617.4873507875.

Adding to 235442140 its reverse (41244532), we get a palindrome (276686672).

The spelling of 235442140 in words is "two hundred thirty-five million, four hundred forty-two thousand, one hundred forty".