240060491 has 8 divisors (see below), whose sum is σ = 264049968. Its totient is φ = 218235600.

The previous prime is 240060473. The next prime is 240060493. The reversal of 240060491 is 194060042.

It is not a de Polignac number, because 240060491 - 2¹⁸ = 239798347 is a prime.

It is a super-2 number, since 2×240060491² = 115258078678322162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240060491.

It is not an unprimeable number, because it can be changed into a prime (240060493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88850 + ... + 91511.

It is an arithmetic number, because the mean of its divisors is an integer number (33006246).

Almost surely, 2^240060491 is an apocalyptic number.

240060491 is a deficient number, since it is larger than the sum of its proper divisors (23989477).

240060491 is an equidigital number, since it uses as much as digits as its factorization.

240060491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180394 (or 180372 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 240060491 is about 15493.8856004554. The cubic root of 240060491 is about 621.4987078053.

The spelling of 240060491 in words is "two hundred forty million, sixty thousand, four hundred ninety-one".