1429740500 has 108 divisors (see below), whose sum is σ = 3332992572. Its totient is φ = 535708800.

The previous prime is 1429740461. The next prime is 1429740503. The reversal of 1429740500 is 50479241.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 928786576 + 500953924 = 30476^2 + 22382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429740503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16064456 + ... + 16064544.

Almost surely, 2^1429740500 is an apocalyptic number.

1429740500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1429740500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666496286).

1429740500 is an abundant number, since it is smaller than the sum of its proper divisors (1903252072).

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

1429740500 is an equidigital number, since it uses as much as digits as its factorization.

1429740500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1429740500 is about 37811.9094995214. The cubic root of 1429740500 is about 1126.5550183277. Note that the first 3 decimals are identical.

The spelling of 1429740500 in words is "one billion, four hundred twenty-nine million, seven hundred forty thousand, five hundred".