240628446 has 12 divisors (see below), whose sum is σ = 521361672. Its totient is φ = 80209476.

The previous prime is 240628441. The next prime is 240628477. The reversal of 240628446 is 644826042.

It is a happy number.

240628446 is a `hidden beast` number, since 24 + 0 + 628 + 4 + 4 + 6 = 666.

240628446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 240628446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240628441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6684106 + ... + 6684141.

It is an arithmetic number, because the mean of its divisors is an integer number (43446806).

Almost surely, 2^240628446 is an apocalyptic number.

240628446 is an abundant number, since it is smaller than the sum of its proper divisors (280733226).

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

240628446 is a wasteful number, since it uses less digits than its factorization.

240628446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368255 (or 13368252 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The square root of 240628446 is about 15512.2031317283. The cubic root of 240628446 is about 621.9884528275.

The spelling of 240628446 in words is "two hundred forty million, six hundred twenty-eight thousand, four hundred forty-six".