240497433 has 12 divisors (see below), whose sum is σ = 378965808. Its totient is φ = 145755960.

The previous prime is 240497429. The next prime is 240497443. The reversal of 240497433 is 334794042.

It is not a de Polignac number, because 240497433 - 2² = 240497429 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240497423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1214535 + ... + 1214732.

It is an arithmetic number, because the mean of its divisors is an integer number (31580484).

Almost surely, 2^240497433 is an apocalyptic number.

It is an amenable number.

240497433 is a deficient number, since it is larger than the sum of its proper divisors (138468375).

240497433 is a wasteful number, since it uses less digits than its factorization.

240497433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429284 (or 2429281 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 240497433 is about 15507.9796556482. The cubic root of 240497433 is about 621.8755493476.

The spelling of 240497433 in words is "two hundred forty million, four hundred ninety-seven thousand, four hundred thirty-three".