1439429113640 has 192 divisors, whose sum is σ = 3850258872960. Its totient is φ = 482732490240.

The previous prime is 1439429113553. The next prime is 1439429113667. The reversal of 1439429113640 is 463119249341.

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, 34363349 + ... + 34405211.

It is an arithmetic number, because the mean of its divisors is an integer number (20053431630).

Almost surely, 2^{1439429113640} is an apocalyptic number.

1439429113640 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 1439429113640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1925129436480).

1439429113640 is an abundant number, since it is smaller than the sum of its proper divisors (2410829759320).

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

1439429113640 is a wasteful number, since it uses less digits than its factorization.

1439429113640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42272 (or 42261 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 1439429113640 in words is "one trillion, four hundred thirty-nine billion, four hundred twenty-nine million, one hundred thirteen thousand, six hundred forty".