42007650 has 48 divisors (see below), whose sum is σ = 105909888. Its totient is φ = 11016000.

The previous prime is 42007643. The next prime is 42007661. The reversal of 42007650 is 5670024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42007650.

It is an unprimeable number.

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, 6855 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (2206456).

Almost surely, 2^42007650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42007650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52954944).

42007650 is an abundant number, since it is smaller than the sum of its proper divisors (63902238).

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

42007650 is a wasteful number, since it uses less digits than its factorization.

42007650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667 (or 4662 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42007650 is about 6481.3308818483. The cubic root of 42007650 is about 347.6237676549.

Adding to 42007650 its reverse (5670024), we get a palindrome (47677674).

The spelling of 42007650 in words is "forty-two million, seven thousand, six hundred fifty".