1429780542 has 16 divisors (see below), whose sum is σ = 2874534912. Its totient is φ = 474097880.

The previous prime is 1429780519. The next prime is 1429780559. The reversal of 1429780542 is 2450879241.

1429780542 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1429780494 and 1429780503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622668 + ... + 624959.

It is an arithmetic number, because the mean of its divisors is an integer number (179658432).

Almost surely, 2^1429780542 is an apocalyptic number.

1429780542 is an abundant number, since it is smaller than the sum of its proper divisors (1444754370).

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

1429780542 is a wasteful number, since it uses less digits than its factorization.

1429780542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247823.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1429780542 is about 37812.4389850747. The cubic root of 1429780542 is about 1126.5655351767.

The spelling of 1429780542 in words is "one billion, four hundred twenty-nine million, seven hundred eighty thousand, five hundred forty-two".