634453152 has 48 divisors (see below), whose sum is σ = 1669520160. Its totient is φ = 210966272.

The previous prime is 634453133. The next prime is 634453153. The reversal of 634453152 is 251354436.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (634453153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32338 + ... + 48110.

It is an arithmetic number, because the mean of its divisors is an integer number (34781670).

Almost surely, 2^634453152 is an apocalyptic number.

It is an amenable number.

634453152 is an abundant number, since it is smaller than the sum of its proper divisors (1035067008).

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

634453152 is a wasteful number, since it uses less digits than its factorization.

634453152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205 (or 16197 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 634453152 is about 25188.3534991869. The cubic root of 634453152 is about 859.2769982561.

The spelling of 634453152 in words is "six hundred thirty-four million, four hundred fifty-three thousand, one hundred fifty-two".