1429802440 has 64 divisors (see below), whose sum is σ = 3694248000. Its totient is φ = 492560640.

The previous prime is 1429802419. The next prime is 1429802489. The reversal of 1429802440 is 442089241.

It is a junction number, because it is equal to n+sod(n) for n = 1429802396 and 1429802405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77155 + ... + 93874.

It is an arithmetic number, because the mean of its divisors is an integer number (57722625).

Almost surely, 2^1429802440 is an apocalyptic number.

1429802440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429802440 is an abundant number, since it is smaller than the sum of its proper divisors (2264445560).

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

1429802440 is a wasteful number, since it uses less digits than its factorization.

1429802440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171070 (or 171066 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 1429802440 is about 37812.7285447639. The cubic root of 1429802440 is about 1126.5712865037.

The spelling of 1429802440 in words is "one billion, four hundred twenty-nine million, eight hundred two thousand, four hundred forty".