42800634 has 24 divisors (see below), whose sum is σ = 93780180. Its totient is φ = 14106048.

The previous prime is 42800629. The next prime is 42800683. The reversal of 42800634 is 43600824.

42800634 is a `hidden beast` number, since 4 + 28 + 0 + 0 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38378025 + 4422609 = 6195^2 + 2103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42800598 and 42800607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11757 + ... + 14960.

Almost surely, 2^42800634 is an apocalyptic number.

42800634 is an abundant number, since it is smaller than the sum of its proper divisors (50979546).

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

42800634 is a wasteful number, since it uses less digits than its factorization.

42800634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26814 (or 26811 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 42800634 is about 6542.2193482029. The cubic root of 42800634 is about 349.7975264299.

It can be divided in two parts, 42800 and 634, that added together give a palindrome (43434).

The spelling of 42800634 in words is "forty-two million, eight hundred thousand, six hundred thirty-four".