635480000 has 70 divisors (see below), whose sum is σ = 1575883056. Its totient is φ = 254176000.

The previous prime is 635479991. The next prime is 635480003. The reversal of 635480000 is 84536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635480003) 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 9 ways as a sum of consecutive naturals, for example, 32057 + ... + 47943.

Almost surely, 2^635480000 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 635480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787941528).

635480000 is an abundant number, since it is smaller than the sum of its proper divisors (940403056).

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

635480000 is an equidigital number, since it uses as much as digits as its factorization.

635480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15919 (or 15894 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 635480000 is about 25208.7286470381. The cubic root of 635480000 is about 859.7403218140.

The spelling of 635480000 in words is "six hundred thirty-five million, four hundred eighty thousand".