1430040742 has 8 divisors (see below), whose sum is σ = 2310065856. Its totient is φ = 660018792.

The previous prime is 1430040679. The next prime is 1430040743. The reversal of 1430040742 is 2470400341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430040743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27500758 + ... + 27500809.

It is an arithmetic number, because the mean of its divisors is an integer number (288758232).

Almost surely, 2^1430040742 is an apocalyptic number.

1430040742 is a deficient number, since it is larger than the sum of its proper divisors (880025114).

1430040742 is a wasteful number, since it uses less digits than its factorization.

1430040742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55001582.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 1430040742 is about 37815.8794952597. The cubic root of 1430040742 is about 1126.6338707391.

The spelling of 1430040742 in words is "one billion, four hundred thirty million, forty thousand, seven hundred forty-two".