2400040054231 has 4 divisors (see below), whose sum is σ = 2402350007200. Its totient is φ = 2397730101264.

The previous prime is 2400040054127. The next prime is 2400040054283. The reversal of 2400040054231 is 1324500400042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2400040054231 is a prime.

It is a super-2 number, since 2×2400040054231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2400040054196 and 2400040054205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400040054831) 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, 1154974926 + ... + 1154977003.

It is an arithmetic number, because the mean of its divisors is an integer number (600587501800).

Almost surely, 2^{2400040054231} is an apocalyptic number.

2400040054231 is a deficient number, since it is larger than the sum of its proper divisors (2309952969).

2400040054231 is a wasteful number, since it uses less digits than its factorization.

2400040054231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309952968.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 2400040054231 its reverse (1324500400042), we get a palindrome (3724540454273).

The spelling of 2400040054231 in words is "two trillion, four hundred billion, forty million, fifty-four thousand, two hundred thirty-one".