1429740864 has 84 divisors (see below), whose sum is σ = 4167652320. Its totient is φ = 468491520.

The previous prime is 1429740859. The next prime is 1429740877. The reversal of 1429740864 is 4680479241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12949 + ... + 55019.

Almost surely, 2^1429740864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429740864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083826160).

1429740864 is an abundant number, since it is smaller than the sum of its proper divisors (2737911456).

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

1429740864 is a wasteful number, since it uses less digits than its factorization.

1429740864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42148 (or 42135 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 1429740864 is about 37811.9143128194. The cubic root of 1429740864 is about 1126.5551139316. Note that the first 3 decimals are identical.

The spelling of 1429740864 in words is "one billion, four hundred twenty-nine million, seven hundred forty thousand, eight hundred sixty-four".