42280650 has 48 divisors (see below), whose sum is σ = 116510400. Its totient is φ = 11274480.

The previous prime is 42280619. The next prime is 42280657. The reversal of 42280650 is 5608224.

42280650 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 0 + 650 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42280657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14310 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (2427300).

Almost surely, 2^42280650 is an apocalyptic number.

42280650 is an abundant number, since it is smaller than the sum of its proper divisors (74229750).

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

42280650 is a wasteful number, since it uses less digits than its factorization.

42280650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31340 (or 31329 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42280650 is about 6502.3572648694. The cubic root of 42280650 is about 348.3751898808.

Adding to 42280650 its reverse (5608224), we get a palindrome (47888874).

The spelling of 42280650 in words is "forty-two million, two hundred eighty thousand, six hundred fifty".