1429889244 has 48 divisors (see below), whose sum is σ = 4037338368. Its totient is φ = 384507648.

The previous prime is 1429889243. The next prime is 1429889269. The reversal of 1429889244 is 4429889241.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429889243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499234 + ... + 502089.

It is an arithmetic number, because the mean of its divisors is an integer number (84111216).

Almost surely, 2^1429889244 is an apocalyptic number.

1429889244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1429889244 is an abundant number, since it is smaller than the sum of its proper divisors (2607449124).

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

1429889244 is a wasteful number, since it uses less digits than its factorization.

1429889244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001354 (or 1001352 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 1429889244 is about 37813.8763418933. The cubic root of 1429889244 is about 1126.5940842722.

The spelling of 1429889244 in words is "one billion, four hundred twenty-nine million, eight hundred eighty-nine thousand, two hundred forty-four".