1039552500840 has 384 divisors, whose sum is σ = 3874005273600. Its totient is φ = 222016757760.

The previous prime is 1039552500797. The next prime is 1039552500851. The reversal of 1039552500840 is 480052559301.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1039552500792 and 1039552500801.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5187792 + ... + 5384448.

It is an arithmetic number, because the mean of its divisors is an integer number (10088555400).

Almost surely, 2^{1039552500840} is an apocalyptic number.

1039552500840 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 1039552500840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937002636800).

1039552500840 is an abundant number, since it is smaller than the sum of its proper divisors (2834452772760).

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

1039552500840 is a wasteful number, since it uses less digits than its factorization.

1039552500840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196745 (or 196734 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 1039552500840 in words is "one trillion, thirty-nine billion, five hundred fifty-two million, five hundred thousand, eight hundred forty".