1429432438 has 32 divisors (see below), whose sum is σ = 2474841600. Its totient is φ = 606540480.

The previous prime is 1429432423. The next prime is 1429432439. The reversal of 1429432438 is 8342349241.

It is a self number, because there is not a number n which added to its sum of digits gives 1429432438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429432439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1362138 + ... + 1363186.

It is an arithmetic number, because the mean of its divisors is an integer number (77338800).

Almost surely, 2^1429432438 is an apocalyptic number.

1429432438 is a deficient number, since it is larger than the sum of its proper divisors (1045409162).

1429432438 is a wasteful number, since it uses less digits than its factorization.

1429432438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its digits is 165888, while the sum is 40.

The square root of 1429432438 is about 37807.8356693424. The cubic root of 1429432438 is about 1126.4741006785.

The spelling of 1429432438 in words is "one billion, four hundred twenty-nine million, four hundred thirty-two thousand, four hundred thirty-eight".