42636654 has 24 divisors (see below), whose sum is σ = 94877640. Its totient is φ = 13827888.

The previous prime is 42636637. The next prime is 42636667. The reversal of 42636654 is 45663624.

42636654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31344 + ... + 32675.

It is an arithmetic number, because the mean of its divisors is an integer number (3953235).

Almost surely, 2^42636654 is an apocalyptic number.

42636654 is an abundant number, since it is smaller than the sum of its proper divisors (52240986).

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

42636654 is a wasteful number, since it uses less digits than its factorization.

42636654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64064 (or 64061 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 42636654 is about 6529.6748770517. The cubic root of 42636654 is about 349.3502339281.

The spelling of 42636654 in words is "forty-two million, six hundred thirty-six thousand, six hundred fifty-four".