1240431514 has 16 divisors (see below), whose sum is σ = 2152075968. Its totient is φ = 525208032.

The previous prime is 1240431509. The next prime is 1240431527. The reversal of 1240431514 is 4151340421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532587 + ... + 534910.

It is an arithmetic number, because the mean of its divisors is an integer number (134504748).

Almost surely, 2^1240431514 is an apocalyptic number.

1240431514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1240431514 is a deficient number, since it is larger than the sum of its proper divisors (911644454).

1240431514 is a wasteful number, since it uses less digits than its factorization.

1240431514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067589.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1240431514 is about 35219.7602774352. The cubic root of 1240431514 is about 1074.4616779033.

Adding to 1240431514 its reverse (4151340421), we get a palindrome (5391771935).

The spelling of 1240431514 in words is "one billion, two hundred forty million, four hundred thirty-one thousand, five hundred fourteen".