1420864430 has 32 divisors (see below), whose sum is σ = 2622751488. Its totient is φ = 553888000.

The previous prime is 1420864421. The next prime is 1420864463. The reversal of 1420864430 is 344680241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 746480 + ... + 748380.

It is an arithmetic number, because the mean of its divisors is an integer number (81960984).

Almost surely, 2^1420864430 is an apocalyptic number.

1420864430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420864430 is a deficient number, since it is larger than the sum of its proper divisors (1201887058).

1420864430 is a wasteful number, since it uses less digits than its factorization.

1420864430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1420864430 is about 37694.3554129793. The cubic root of 1420864430 is about 1124.2188961477.

The spelling of 1420864430 in words is "one billion, four hundred twenty million, eight hundred sixty-four thousand, four hundred thirty".