1431242040 has 64 divisors (see below), whose sum is σ = 4345488000. Its totient is φ = 377063552.

The previous prime is 1431242039. The next prime is 1431242041. The reversal of 1431242040 is 402421341.

It is an interprime number because it is at equal distance from previous prime (1431242039) and next prime (1431242041).

It is a junction number, because it is equal to n+sod(n) for n = 1431241998 and 1431242016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431242041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61890 + ... + 81809.

It is an arithmetic number, because the mean of its divisors is an integer number (67898250).

Almost surely, 2^1431242040 is an apocalyptic number.

1431242040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431242040 is an abundant number, since it is smaller than the sum of its proper divisors (2914245960).

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

1431242040 is a wasteful number, since it uses less digits than its factorization.

1431242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143796 (or 143792 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1431242040 is about 37831.7596735864. The cubic root of 1431242040 is about 1126.9492566751.

Adding to 1431242040 its reverse (402421341), we get a palindrome (1833663381).

The spelling of 1431242040 in words is "one billion, four hundred thirty-one million, two hundred forty-two thousand, forty".