6634534392 has 320 divisors, whose sum is σ = 20124720000. Its totient is φ = 2037934080.

The previous prime is 6634534307. The next prime is 6634534463. The reversal of 6634534392 is 2934354366.

6634534392 is a `hidden beast` number, since 6 + 634 + 5 + 3 + 4 + 3 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 60867234 + ... + 60867342.

It is an arithmetic number, because the mean of its divisors is an integer number (62889750).

Almost surely, 2^6634534392 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 6634534392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10062360000).

6634534392 is an abundant number, since it is smaller than the sum of its proper divisors (13490185608).

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

6634534392 is a wasteful number, since it uses less digits than its factorization.

6634534392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 263 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 45.

The square root of 6634534392 is about 81452.6512275690. The cubic root of 6634534392 is about 1879.0434238779.

The spelling of 6634534392 in words is "six billion, six hundred thirty-four million, five hundred thirty-four thousand, three hundred ninety-two".