240620690 has 16 divisors (see below), whose sum is σ = 443190528. Its totient is φ = 94009776.

The previous prime is 240620609. The next prime is 240620701. The reversal of 240620690 is 96026042.

240620690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240620690² = 115796632912152200, which contains 22 as substring.

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, 279362 + ... + 280221.

It is an arithmetic number, because the mean of its divisors is an integer number (27699408).

Almost surely, 2^240620690 is an apocalyptic number.

240620690 is a deficient number, since it is larger than the sum of its proper divisors (202569838).

240620690 is a wasteful number, since it uses less digits than its factorization.

240620690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559633.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 240620690 is about 15511.9531329875. The cubic root of 240620690 is about 621.9817700567.

The spelling of 240620690 in words is "two hundred forty million, six hundred twenty thousand, six hundred ninety".