1634795520426 has 96 divisors (see below), whose sum is σ = 3890388797568. Its totient is φ = 512735754240.

The previous prime is 1634795520403. The next prime is 1634795520431. The reversal of 1634795520426 is 6240255974361.

It is a happy number.

1634795520426 is a `hidden beast` number, since 1 + 6 + 3 + 4 + 7 + 95 + 520 + 4 + 26 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 47 ways as a sum of consecutive naturals, for example, 32287386 + ... + 32337978.

It is an arithmetic number, because the mean of its divisors is an integer number (40524883308).

Almost surely, 2^{1634795520426} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1634795520426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945194398784).

1634795520426 is an abundant number, since it is smaller than the sum of its proper divisors (2255593277142).

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

1634795520426 is a wasteful number, since it uses less digits than its factorization.

1634795520426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54538 (or 54526 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 1634795520426 in words is "one trillion, six hundred thirty-four billion, seven hundred ninety-five million, five hundred twenty thousand, four hundred twenty-six".