240433123440 has 80 divisors (see below), whose sum is σ = 771044176800. Its totient is φ = 61904618496.

The previous prime is 240433123429. The next prime is 240433123471. The reversal of 240433123440 is 44321334042.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×240433123440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 240433123398 and 240433123407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17265535 + ... + 17279454.

It is an arithmetic number, because the mean of its divisors is an integer number (9638052210).

Almost surely, 2^240433123440 is an apocalyptic number.

240433123440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240433123440 is an abundant number, since it is smaller than the sum of its proper divisors (530611053360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240433123440 is a wasteful number, since it uses less digits than its factorization.

240433123440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34545034 (or 34545028 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 240433123440 its reverse (44321334042), we get a palindrome (284754457482).

The spelling of 240433123440 in words is "two hundred forty billion, four hundred thirty-three million, one hundred twenty-three thousand, four hundred forty".