252414040 has 32 divisors (see below), whose sum is σ = 581787360. Its totient is φ = 98502400.

The previous prime is 252414023. The next prime is 252414047. The reversal of 252414040 is 40414252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252414047) 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, 75316 + ... + 78595.

It is an arithmetic number, because the mean of its divisors is an integer number (18180855).

Almost surely, 2^252414040 is an apocalyptic number.

252414040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252414040 is an abundant number, since it is smaller than the sum of its proper divisors (329373320).

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

252414040 is a wasteful number, since it uses less digits than its factorization.

252414040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153963 (or 153959 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 252414040 is about 15887.5435483274. The cubic root of 252414040 is about 631.9816997852.

Adding to 252414040 its reverse (40414252), we get a palindrome (292828292).

The spelling of 252414040 in words is "two hundred fifty-two million, four hundred fourteen thousand, forty".