42052492 has 24 divisors (see below), whose sum is σ = 80438400. Its totient is φ = 19150080.

The previous prime is 42052477. The next prime is 42052499. The reversal of 42052492 is 29425024.

It is a self number, because there is not a number n which added to its sum of digits gives 42052492.

It is not an unprimeable number, because it can be changed into a prime (42052499) 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, 7867 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (3351600).

Almost surely, 2^42052492 is an apocalyptic number.

It is an amenable number.

42052492 is a deficient number, since it is larger than the sum of its proper divisors (38385908).

42052492 is a wasteful number, since it uses less digits than its factorization.

42052492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001 (or 19999 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42052492 is about 6484.7892795372. The cubic root of 42052492 is about 347.7474165747.

The spelling of 42052492 in words is "forty-two million, fifty-two thousand, four hundred ninety-two".