240291393432 has 128 divisors (see below), whose sum is σ = 632920473600. Its totient is φ = 75927196800.

The previous prime is 240291393409. The next prime is 240291393439. The reversal of 240291393432 is 234393192042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240291393439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7448457 + ... + 7480647.

It is an arithmetic number, because the mean of its divisors is an integer number (4944691200).

Almost surely, 2^240291393432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240291393432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316460236800).

240291393432 is an abundant number, since it is smaller than the sum of its proper divisors (392629080168).

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

240291393432 is a wasteful number, since it uses less digits than its factorization.

240291393432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32437 (or 32433 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 240291393432 in words is "two hundred forty billion, two hundred ninety-one million, three hundred ninety-three thousand, four hundred thirty-two".