240332491 has 8 divisors (see below), whose sum is σ = 283526144. Its totient is φ = 199353960.

The previous prime is 240332459. The next prime is 240332503. The reversal of 240332491 is 194233042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240332491 - 2⁵ = 240332459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240332431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553545 + ... + 553978.

It is an arithmetic number, because the mean of its divisors is an integer number (35440768).

Almost surely, 2^240332491 is an apocalyptic number.

240332491 is a deficient number, since it is larger than the sum of its proper divisors (43193653).

240332491 is a wasteful number, since it uses less digits than its factorization.

240332491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107561.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 240332491 is about 15502.6607716224. The cubic root of 240332491 is about 621.7333484461.

The spelling of 240332491 in words is "two hundred forty million, three hundred thirty-two thousand, four hundred ninety-one".