1429280650 has 24 divisors (see below), whose sum is σ = 3038243040. Its totient is φ = 490038960.

The previous prime is 1429280621. The next prime is 1429280701. The reversal of 1429280650 is 560829241.

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, 2041480 + ... + 2042179.

It is an arithmetic number, because the mean of its divisors is an integer number (126593460).

Almost surely, 2^1429280650 is an apocalyptic number.

1429280650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429280650 is an abundant number, since it is smaller than the sum of its proper divisors (1608962390).

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

1429280650 is a wasteful number, since it uses less digits than its factorization.

1429280650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083678 (or 4083673 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1429280650 is about 37805.8282543843. The cubic root of 1429280650 is about 1126.4342267400.

The spelling of 1429280650 in words is "one billion, four hundred twenty-nine million, two hundred eighty thousand, six hundred fifty".