634467040 has 24 divisors (see below), whose sum is σ = 1498928760. Its totient is φ = 253786752.

The previous prime is 634466999. The next prime is 634467079. The reversal of 634467040 is 40764436.

It is a junction number, because it is equal to n+sod(n) for n = 634466987 and 634467005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1982550 + ... + 1982869.

It is an arithmetic number, because the mean of its divisors is an integer number (62455365).

Almost surely, 2^634467040 is an apocalyptic number.

It is an amenable number.

634467040 is an abundant number, since it is smaller than the sum of its proper divisors (864461720).

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

634467040 is a wasteful number, since it uses less digits than its factorization.

634467040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965434 (or 3965426 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 634467040 is about 25188.6291806442. The cubic root of 634467040 is about 859.2832679871.

The spelling of 634467040 in words is "six hundred thirty-four million, four hundred sixty-seven thousand, forty".