240024000405 has 32 divisors (see below), whose sum is σ = 439301332224. Its totient is φ = 109625181696.

The previous prime is 240024000379. The next prime is 240024000443. The reversal of 240024000405 is 504000420042.

It is not a de Polignac number, because 240024000405 - 2⁹ = 240023999893 is a prime.

It is a super-2 number, since 2×240024000405² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 926722 + ... + 1157091.

It is an arithmetic number, because the mean of its divisors is an integer number (13728166632).

Almost surely, 2^240024000405 is an apocalyptic number.

It is an amenable number.

240024000405 is a deficient number, since it is larger than the sum of its proper divisors (199277331819).

240024000405 is a wasteful number, since it uses less digits than its factorization.

240024000405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084925.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 240024000405 its reverse (504000420042), we get a palindrome (744024420447).

The spelling of 240024000405 in words is "two hundred forty billion, twenty-four million, four hundred five", and thus it is an aban number.