42052276 has 24 divisors (see below), whose sum is σ = 86379776. Its totient is φ = 17534880.

The previous prime is 42052261. The next prime is 42052277. The reversal of 42052276 is 67225024.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052277) 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 7 ways as a sum of consecutive naturals, for example, 19260 + ... + 21331.

Almost surely, 2^42052276 is an apocalyptic number.

It is an amenable number.

42052276 is an abundant number, since it is smaller than the sum of its proper divisors (44327500).

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

42052276 is a wasteful number, since it uses less digits than its factorization.

42052276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40639 (or 40637 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 42052276 is about 6484.7726251581. The cubic root of 42052276 is about 347.7468211794.

The spelling of 42052276 in words is "forty-two million, fifty-two thousand, two hundred seventy-six".