1634380000 has 480 divisors, whose sum is σ = 5101367040. Its totient is φ = 506880000.

The previous prime is 1634379979. The next prime is 1634380009. The reversal of 1634380000 is 834361.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634380009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 71059989 + ... + 71060011.

It is an arithmetic number, because the mean of its divisors is an integer number (10627848).

Almost surely, 2^1634380000 is an apocalyptic number.

1634380000 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 1634380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2550683520).

1634380000 is an abundant number, since it is smaller than the sum of its proper divisors (3466987040).

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

1634380000 is a wasteful number, since it uses less digits than its factorization.

1634380000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1634380000 is about 40427.4659111847. The cubic root of 1634380000 is about 1177.9251097944.

The spelling of 1634380000 in words is "one billion, six hundred thirty-four million, three hundred eighty thousand".