633474394280 has 128 divisors (see below), whose sum is σ = 1810825390080. Its totient is φ = 194016936960.

The previous prime is 633474394279. The next prime is 633474394291. The reversal of 633474394280 is 82493474336.

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, 2694119 + ... + 2919798.

It is an arithmetic number, because the mean of its divisors is an integer number (14147073360).

Almost surely, 2^633474394280 is an apocalyptic number.

It is an amenable number.

633474394280 is an abundant number, since it is smaller than the sum of its proper divisors (1177350995800).

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

633474394280 is a wasteful number, since it uses less digits than its factorization.

633474394280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613979 (or 5613975 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 53.

The spelling of 633474394280 in words is "six hundred thirty-three billion, four hundred seventy-four million, three hundred ninety-four thousand, two hundred eighty".