240430401 has 24 divisors (see below), whose sum is σ = 351134784. Its totient is φ = 158523360.

The previous prime is 240430373. The next prime is 240430409. The reversal of 240430401 is 104034042.

It is not a de Polignac number, because 240430401 - 2²³ = 232041793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240430409) 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 23 ways as a sum of consecutive naturals, for example, 521311 + ... + 521771.

It is an arithmetic number, because the mean of its divisors is an integer number (14630616).

Almost surely, 2^240430401 is an apocalyptic number.

It is an amenable number.

240430401 is a deficient number, since it is larger than the sum of its proper divisors (110704383).

240430401 is a wasteful number, since it uses less digits than its factorization.

240430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240430401 is about 15505.8182950788. The cubic root of 240430401 is about 621.8177671157.

Adding to 240430401 its reverse (104034042), we get a palindrome (344464443).

The spelling of 240430401 in words is "two hundred forty million, four hundred thirty thousand, four hundred one".