2031452240 has 40 divisors (see below), whose sum is σ = 4725019008. Its totient is φ = 812255360.

The previous prime is 2031452221. The next prime is 2031452251. The reversal of 2031452240 is 422541302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348389 + ... + 354171.

Almost surely, 2^2031452240 is an apocalyptic number.

2031452240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031452240 is an abundant number, since it is smaller than the sum of its proper divisors (2693566768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031452240 is a wasteful number, since it uses less digits than its factorization.

2031452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187 (or 10181 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2031452240 is about 45071.6345388094. The cubic root of 2031452240 is about 1266.4912844281.

Adding to 2031452240 its reverse (422541302), we get a palindrome (2453993542).

The spelling of 2031452240 in words is "two billion, thirty-one million, four hundred fifty-two thousand, two hundred forty".