1429730038272 has 80 divisors (see below), whose sum is σ = 3821891008320. Its totient is φ = 474949988352.

The previous prime is 1429730038241. The next prime is 1429730038279. The reversal of 1429730038272 is 2728300379241.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1429730038279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138372 + ... + 2038467.

It is an arithmetic number, because the mean of its divisors is an integer number (47773637604).

Almost surely, 2^{1429730038272} is an apocalyptic number.

1429730038272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1429730038272 is an abundant number, since it is smaller than the sum of its proper divisors (2392160970048).

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

1429730038272 is an equidigital number, since it uses as much as digits as its factorization.

1429730038272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3177153 (or 3177137 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 1429730038272 in words is "one trillion, four hundred twenty-nine billion, seven hundred thirty million, thirty-eight thousand, two hundred seventy-two".