32455240 has 32 divisors (see below), whose sum is σ = 73716480. Its totient is φ = 12859072.

The previous prime is 32455237. The next prime is 32455271. The reversal of 32455240 is 4255423.

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, 489 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (2303640).

Almost surely, 2^32455240 is an apocalyptic number.

It is an amenable number.

32455240 is an abundant number, since it is smaller than the sum of its proper divisors (41261240).

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

32455240 is a wasteful number, since it uses less digits than its factorization.

32455240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 7697 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 32455240 is about 5696.9500612170. The cubic root of 32455240 is about 318.9786446136.

The spelling of 32455240 in words is "thirty-two million, four hundred fifty-five thousand, two hundred forty".