240638467 has 8 divisors (see below), whose sum is σ = 244425600. Its totient is φ = 236875584.

The previous prime is 240638393. The next prime is 240638479. The reversal of 240638467 is 764836042.

It is a happy number.

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 240638467 - 2¹⁹ = 240114179 is a prime.

It is a super-2 number, since 2×240638467² = 115813743600220178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240638267) 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, 14478 + ... + 26284.

It is an arithmetic number, because the mean of its divisors is an integer number (30553200).

Almost surely, 2^240638467 is an apocalyptic number.

240638467 is a deficient number, since it is larger than the sum of its proper divisors (3787133).

240638467 is a wasteful number, since it uses less digits than its factorization.

240638467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 240638467 is about 15512.5261321295. The cubic root of 240638467 is about 621.9970869685.

The spelling of 240638467 in words is "two hundred forty million, six hundred thirty-eight thousand, four hundred sixty-seven".