1429450236 has 144 divisors (see below), whose sum is σ = 3923023104. Its totient is φ = 437242368.

The previous prime is 1429450229. The next prime is 1429450241. The reversal of 1429450236 is 6320549241.

It is a happy number.

1429450236 is a `hidden beast` number, since 142 + 9 + 4 + 502 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1429450236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5435041 + ... + 5435303.

It is an arithmetic number, because the mean of its divisors is an integer number (27243216).

Almost surely, 2^1429450236 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 1429450236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961511552).

1429450236 is an abundant number, since it is smaller than the sum of its proper divisors (2493572868).

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

1429450236 is a wasteful number, since it uses less digits than its factorization.

1429450236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1429450236 is about 37808.0710430987. The cubic root of 1429450236 is about 1126.4787759380.

Adding to 1429450236 its reverse (6320549241), we get a palindrome (7749999477).

It can be divided in two parts, 142 and 9450236, that added together give a triangular number (9450378 = T₄₃₄₇).

The spelling of 1429450236 in words is "one billion, four hundred twenty-nine million, four hundred fifty thousand, two hundred thirty-six".