2440032231 has 32 divisors (see below), whose sum is σ = 4214909440. Its totient is φ = 1219307904.

The previous prime is 2440032209. The next prime is 2440032263. The reversal of 2440032231 is 1322300442.

It is not a de Polignac number, because 2440032231 - 2⁹ = 2440031719 is a prime.

It is a super-2 number, since 2×2440032231² = 11907514576637674722, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2440032198 and 2440032207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440032431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230020 + ... + 240393.

It is an arithmetic number, because the mean of its divisors is an integer number (131715920).

Almost surely, 2^2440032231 is an apocalyptic number.

2440032231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2440032231 is a deficient number, since it is larger than the sum of its proper divisors (1774877209).

2440032231 is a wasteful number, since it uses less digits than its factorization.

2440032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470455.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2440032231 is about 49396.6823885977. The cubic root of 2440032231 is about 1346.2690272147.

Adding to 2440032231 its reverse (1322300442), we get a palindrome (3762332673).

The spelling of 2440032231 in words is "two billion, four hundred forty million, thirty-two thousand, two hundred thirty-one".