1439424030 has 64 divisors (see below), whose sum is σ = 3781790208. Its totient is φ = 347736960.

The previous prime is 1439424029. The next prime is 1439424071. The reversal of 1439424030 is 304249341.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 89247 + ... + 104133.

It is an arithmetic number, because the mean of its divisors is an integer number (59090472).

Almost surely, 2^1439424030 is an apocalyptic number.

1439424030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1439424030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890895104).

1439424030 is an abundant number, since it is smaller than the sum of its proper divisors (2342366178).

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

1439424030 is a wasteful number, since it uses less digits than its factorization.

1439424030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1439424030 is about 37939.7420919015. The cubic root of 1439424030 is about 1129.0926566568.

The spelling of 1439424030 in words is "one billion, four hundred thirty-nine million, four hundred twenty-four thousand, thirty".