239025040 has 40 divisors (see below), whose sum is σ = 558678528. Its totient is φ = 95103360.

The previous prime is 239025011. The next prime is 239025091. The reversal of 239025040 is 40520932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 239024996 and 239025014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7459 + ... + 23101.

Almost surely, 2^239025040 is an apocalyptic number.

239025040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239025040 is an abundant number, since it is smaller than the sum of its proper divisors (319653488).

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

239025040 is a wasteful number, since it uses less digits than its factorization.

239025040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15847 (or 15841 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 239025040 is about 15460.4346640061. The cubic root of 239025040 is about 620.6038515051.

Adding to 239025040 its reverse (40520932), we get a palindrome (279545972).

The spelling of 239025040 in words is "two hundred thirty-nine million, twenty-five thousand, forty".