1025622074784 has 96 divisors (see below), whose sum is σ = 2766410357760. Its totient is φ = 332547109632.

The previous prime is 1025622074723. The next prime is 1025622074791. The reversal of 1025622074784 is 4874702265201.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38187 + ... + 1432725.

It is an arithmetic number, because the mean of its divisors is an integer number (28816774560).

Almost surely, 2^{1025622074784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025622074784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383205178880).

1025622074784 is an abundant number, since it is smaller than the sum of its proper divisors (1740788282976).

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

1025622074784 is a wasteful number, since it uses less digits than its factorization.

1025622074784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394762 (or 1394754 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 1025622074784 in words is "one trillion, twenty-five billion, six hundred twenty-two million, seventy-four thousand, seven hundred eighty-four".