240632042153656 has 8 divisors (see below), whose sum is σ = 451185079038120. Its totient is φ = 120316021076824.

The previous prime is 240632042153653. The next prime is 240632042153689. The reversal of 240632042153656 is 656351240236042.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×240632042153656² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240632042153653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15039502634596 + ... + 15039502634611.

It is an arithmetic number, because the mean of its divisors is an integer number (56398134879765).

Almost surely, 2^{240632042153656} is an apocalyptic number.

It is an amenable number.

240632042153656 is a deficient number, since it is larger than the sum of its proper divisors (210553036884464).

240632042153656 is a wasteful number, since it uses less digits than its factorization.

240632042153656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30079005269213 (or 30079005269209 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

Adding to 240632042153656 its reverse (656351240236042), we get a palindrome (896983282389698).

The spelling of 240632042153656 in words is "two hundred forty trillion, six hundred thirty-two billion, forty-two million, one hundred fifty-three thousand, six hundred fifty-six".