10040400231 has 8 divisors (see below), whose sum is σ = 13396306944. Its totient is φ = 6689046840.

The previous prime is 10040400143. The next prime is 10040400247. The reversal of 10040400231 is 13200404001.

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

It is not a de Polignac number, because 10040400231 - 2¹⁰ = 10040399207 is a prime.

It is a super-2 number, since 2×10040400231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10040400231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040400731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1133181 + ... + 1142006.

It is an arithmetic number, because the mean of its divisors is an integer number (1674538368).

Almost surely, 2^10040400231 is an apocalyptic number.

10040400231 is a deficient number, since it is larger than the sum of its proper divisors (3355906713).

10040400231 is a wasteful number, since it uses less digits than its factorization.

10040400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276661.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10040400231 its reverse (13200404001), we get a palindrome (23240804232).

The spelling of 10040400231 in words is "ten billion, forty million, four hundred thousand, two hundred thirty-one".