240231412989 has 24 divisors (see below), whose sum is σ = 373768192512. Its totient is φ = 148249395360.

The previous prime is 240231412987. The next prime is 240231413027. The reversal of 240231412989 is 989214132042.

240231412989 is a `hidden beast` number, since 2 + 40 + 2 + 314 + 1 + 298 + 9 = 666.

It is not a de Polignac number, because 240231412989 - 2¹ = 240231412987 is a prime.

It is a super-2 number, since 2×240231412989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240231412987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18711942 + ... + 18724775.

It is an arithmetic number, because the mean of its divisors is an integer number (15573674688).

Almost surely, 2^240231412989 is an apocalyptic number.

It is an amenable number.

240231412989 is a deficient number, since it is larger than the sum of its proper divisors (133536779523).

240231412989 is a wasteful number, since it uses less digits than its factorization.

240231412989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37436777 (or 37436774 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 240231412989 in words is "two hundred forty billion, two hundred thirty-one million, four hundred twelve thousand, nine hundred eighty-nine".