240632531642 has 8 divisors (see below), whose sum is σ = 361259161056. Its totient is φ = 120212811292.

The previous prime is 240632531611. The next prime is 240632531647. The reversal of 240632531642 is 246135236042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 240632531596 and 240632531605.

It is not an unprimeable number, because it can be changed into a prime (240632531647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51724358 + ... + 51729009.

It is an arithmetic number, because the mean of its divisors is an integer number (45157395132).

Almost surely, 2^240632531642 is an apocalyptic number.

240632531642 is a deficient number, since it is larger than the sum of its proper divisors (120626629414).

240632531642 is a wasteful number, since it uses less digits than its factorization.

240632531642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103454532.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 240632531642 its reverse (246135236042), we get a palindrome (486767767684).

The spelling of 240632531642 in words is "two hundred forty billion, six hundred thirty-two million, five hundred thirty-one thousand, six hundred forty-two".