240430134644 has 24 divisors (see below), whose sum is σ = 481083734208. Its totient is φ = 102993600960.

The previous prime is 240430134629. The next prime is 240430134667. The reversal of 240430134644 is 446431034042.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1933862 + ... + 2054429.

It is an arithmetic number, because the mean of its divisors is an integer number (20045155592).

Almost surely, 2^240430134644 is an apocalyptic number.

It is an amenable number.

240430134644 is an abundant number, since it is smaller than the sum of its proper divisors (240653599564).

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

240430134644 is a wasteful number, since it uses less digits than its factorization.

240430134644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990455 (or 3990453 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 240430134644 its reverse (446431034042), we get a palindrome (686861168686).

The spelling of 240430134644 in words is "two hundred forty billion, four hundred thirty million, one hundred thirty-four thousand, six hundred forty-four".