240021231532 has 24 divisors (see below), whose sum is σ = 435833347712. Its totient is φ = 115537536000.

The previous prime is 240021231529. The next prime is 240021231551. The reversal of 240021231532 is 235132120042.

It is a super-2 number, since 2×240021231532² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240021231497 and 240021231506.

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, 4990719 + ... + 5038582.

Almost surely, 2^240021231532 is an apocalyptic number.

It is an amenable number.

240021231532 is a deficient number, since it is larger than the sum of its proper divisors (195812116180).

240021231532 is a wasteful number, since it uses less digits than its factorization.

240021231532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029529 (or 10029527 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 240021231532 its reverse (235132120042), we get a palindrome (475153351574).

The spelling of 240021231532 in words is "two hundred forty billion, twenty-one million, two hundred thirty-one thousand, five hundred thirty-two".