634410420 has 96 divisors (see below), whose sum is σ = 2149555968. Its totient is φ = 136476672.

The previous prime is 634410419. The next prime is 634410451. The reversal of 634410420 is 24014436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37287 + ... + 51566.

It is an arithmetic number, because the mean of its divisors is an integer number (22391208).

Almost surely, 2^634410420 is an apocalyptic number.

634410420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

634410420 is an abundant number, since it is smaller than the sum of its proper divisors (1515145548).

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

634410420 is a wasteful number, since it uses less digits than its factorization.

634410420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88889 (or 88887 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 634410420 is about 25187.5052357315. The cubic root of 634410420 is about 859.2577063410.

Adding to 634410420 its reverse (24014436), we get a palindrome (658424856).

The spelling of 634410420 in words is "six hundred thirty-four million, four hundred ten thousand, four hundred twenty".