1430040344 has 32 divisors (see below), whose sum is σ = 2776032000. Its totient is φ = 689805312.

The previous prime is 1430040331. The next prime is 1430040349. The reversal of 1430040344 is 4430400341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430040349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518072 + ... + 520824.

It is an arithmetic number, because the mean of its divisors is an integer number (86751000).

Almost surely, 2^1430040344 is an apocalyptic number.

It is an amenable number.

1430040344 is a deficient number, since it is larger than the sum of its proper divisors (1345991656).

1430040344 is a wasteful number, since it uses less digits than its factorization.

1430040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5023 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1430040344 is about 37815.8742329197. The cubic root of 1430040344 is about 1126.6337662198.

Adding to 1430040344 its reverse (4430400341), we get a palindrome (5860440685).

The spelling of 1430040344 in words is "one billion, four hundred thirty million, forty thousand, three hundred forty-four".