42142650 has 48 divisors (see below), whose sum is σ = 114019488. Its totient is φ = 10216000.

The previous prime is 42142637. The next prime is 42142663. The reversal of 42142650 is 5624124.

It is an interprime number because it is at equal distance from previous prime (42142637) and next prime (42142663).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42142650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11121 + ... + 14420.

It is an arithmetic number, because the mean of its divisors is an integer number (2375406).

Almost surely, 2^42142650 is an apocalyptic number.

42142650 is an abundant number, since it is smaller than the sum of its proper divisors (71876838).

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

42142650 is a wasteful number, since it uses less digits than its factorization.

42142650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25567 (or 25562 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42142650 is about 6491.7370556732. The cubic root of 42142650 is about 347.9957556623.

Adding to 42142650 its reverse (5624124), we get a palindrome (47766774).

It can be divided in two parts, 421 and 42650, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 42142650 in words is "forty-two million, one hundred forty-two thousand, six hundred fifty".