42202140 has 48 divisors (see below), whose sum is σ = 118564992. Its totient is φ = 11215936.

The previous prime is 42202123. The next prime is 42202157. The reversal of 42202140 is 4120224.

It is an interprime number because it is at equal distance from previous prime (42202123) and next prime (42202157).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 19807 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (2470104).

Almost surely, 2^42202140 is an apocalyptic number.

It is an amenable number.

42202140 is an abundant number, since it is smaller than the sum of its proper divisors (76362852).

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

42202140 is a wasteful number, since it uses less digits than its factorization.

42202140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 42202140 is about 6496.3174183533. The cubic root of 42202140 is about 348.1594262256.

Adding to 42202140 its reverse (4120224), we get a palindrome (46322364).

The spelling of 42202140 in words is "forty-two million, two hundred two thousand, one hundred forty".