1240431332 has 24 divisors (see below), whose sum is σ = 2533649664. Its totient is φ = 520301952.

The previous prime is 1240431329. The next prime is 1240431341. The reversal of 1240431332 is 2331340421.

It is a junction number, because it is equal to n+sod(n) for n = 1240431298 and 1240431307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469973 + ... + 472604.

It is an arithmetic number, because the mean of its divisors is an integer number (105568736).

Almost surely, 2^1240431332 is an apocalyptic number.

It is an amenable number.

1240431332 is an abundant number, since it is smaller than the sum of its proper divisors (1293218332).

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

1240431332 is a wasteful number, since it uses less digits than its factorization.

1240431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942635 (or 942633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1240431332 is about 35219.7576936583. The cubic root of 1240431332 is about 1074.4616253539.

Adding to 1240431332 its reverse (2331340421), we get a palindrome (3571771753).

The spelling of 1240431332 in words is "one billion, two hundred forty million, four hundred thirty-one thousand, three hundred thirty-two".