1429421478 has 16 divisors (see below), whose sum is σ = 2869395456. Its totient is φ = 474715080.

The previous prime is 1429421467. The next prime is 1429421519. The reversal of 1429421478 is 8741249241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437926 + ... + 441177.

It is an arithmetic number, because the mean of its divisors is an integer number (179337216).

Almost surely, 2^1429421478 is an apocalyptic number.

1429421478 is an abundant number, since it is smaller than the sum of its proper divisors (1439973978).

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

1429421478 is a wasteful number, since it uses less digits than its factorization.

1429421478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879379.

The product of its digits is 129024, while the sum is 42.

The square root of 1429421478 is about 37807.6907255653. The cubic root of 1429421478 is about 1126.4712216366.

The spelling of 1429421478 in words is "one billion, four hundred twenty-nine million, four hundred twenty-one thousand, four hundred seventy-eight".