1039701806640 has 320 divisors, whose sum is σ = 4102587417600. Its totient is φ = 237077508096.

The previous prime is 1039701806603. The next prime is 1039701806687. The reversal of 1039701806640 is 466081079301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6253224 + ... + 6417336.

It is an arithmetic number, because the mean of its divisors is an integer number (12820585680).

Almost surely, 2^{1039701806640} is an apocalyptic number.

1039701806640 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 1039701806640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051293708800).

1039701806640 is an abundant number, since it is smaller than the sum of its proper divisors (3062885610960).

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

1039701806640 is a wasteful number, since it uses less digits than its factorization.

1039701806640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164561 (or 164549 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1039701806640 in words is "one trillion, thirty-nine billion, seven hundred one million, eight hundred six thousand, six hundred forty".