1430400066 has 32 divisors (see below), whose sum is σ = 3013113600. Its totient is φ = 451443600.

The previous prime is 1430400053. The next prime is 1430400067. The reversal of 1430400066 is 6600040341.

It is not an unprimeable number, because it can be changed into a prime (1430400067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319141 + ... + 323591.

It is an arithmetic number, because the mean of its divisors is an integer number (94159800).

Almost surely, 2^1430400066 is an apocalyptic number.

1430400066 is an abundant number, since it is smaller than the sum of its proper divisors (1582713534).

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

1430400066 is a wasteful number, since it uses less digits than its factorization.

1430400066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1430400066 is about 37820.6301639727. The cubic root of 1430400066 is about 1126.7282253205.

The spelling of 1430400066 in words is "one billion, four hundred thirty million, four hundred thousand, sixty-six".