240023505856 has 14 divisors (see below), whose sum is σ = 476296644560. Its totient is φ = 120011752896.

The previous prime is 240023505853. The next prime is 240023505899. The reversal of 240023505856 is 658505320042.

It is a happy number.

It is a super-2 number, since 2×240023505856² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240023505853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875183576 + ... + 1875183703.

Almost surely, 2^240023505856 is an apocalyptic number.

It is an amenable number.

240023505856 is a deficient number, since it is larger than the sum of its proper divisors (236273138704).

240023505856 is an equidigital number, since it uses as much as digits as its factorization.

240023505856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750367291 (or 3750367281 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 240023505856 its reverse (658505320042), we get a palindrome (898528825898).

The spelling of 240023505856 in words is "two hundred forty billion, twenty-three million, five hundred five thousand, eight hundred fifty-six".