42651606 has 32 divisors (see below), whose sum is σ = 90713088. Its totient is φ = 13322880.

The previous prime is 42651569. The next prime is 42651613. The reversal of 42651606 is 60615624.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26871 + ... + 28413.

It is an arithmetic number, because the mean of its divisors is an integer number (2834784).

Almost surely, 2^42651606 is an apocalyptic number.

42651606 is an abundant number, since it is smaller than the sum of its proper divisors (48061482).

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

42651606 is a wasteful number, since it uses less digits than its factorization.

42651606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 42651606 is about 6530.8197035288. The cubic root of 42651606 is about 349.3910663554.

The spelling of 42651606 in words is "forty-two million, six hundred fifty-one thousand, six hundred six".