240907028 has 6 divisors (see below), whose sum is σ = 421587306. Its totient is φ = 120453512.

The previous prime is 240907013. The next prime is 240907049. The reversal of 240907028 is 820709042.

It can be written as a sum of positive squares in only one way, i.e., 216325264 + 24581764 = 14708^2 + 4958^2 .

It is a super-2 number, since 2×240907028² = 116072392279585568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240906985 and 240907003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30113375 + ... + 30113382.

It is an arithmetic number, because the mean of its divisors is an integer number (70264551).

Almost surely, 2^240907028 is an apocalyptic number.

It is an amenable number.

240907028 is a deficient number, since it is larger than the sum of its proper divisors (180680278).

240907028 is a wasteful number, since it uses less digits than its factorization.

240907028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60226761 (or 60226759 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 240907028 is about 15521.1799809164. The cubic root of 240907028 is about 622.2283911567.

The spelling of 240907028 in words is "two hundred forty million, nine hundred seven thousand, twenty-eight".