240887628 has 48 divisors (see below), whose sum is σ = 639767520. Its totient is φ = 78336000.

The previous prime is 240887627. The next prime is 240887629. The reversal of 240887628 is 826788042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240887627) and next prime (240887629).

It is not an unprimeable number, because it can be changed into a prime (240887627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22773 + ... + 31628.

It is an arithmetic number, because the mean of its divisors is an integer number (13328490).

Almost surely, 2^240887628 is an apocalyptic number.

It is an amenable number.

240887628 is an abundant number, since it is smaller than the sum of its proper divisors (398879892).

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

240887628 is a wasteful number, since it uses less digits than its factorization.

240887628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54455 (or 54447 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 240887628 is about 15520.5550158491. Note that the first 3 decimals coincide. The cubic root of 240887628 is about 622.2116882334.

The spelling of 240887628 in words is "two hundred forty million, eight hundred eighty-seven thousand, six hundred twenty-eight".