42051284 has 12 divisors (see below), whose sum is σ = 80279808. Its totient is φ = 19114200.

The previous prime is 42051271. The next prime is 42051293. The reversal of 42051284 is 48215024.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 477812 + ... + 477899.

It is an arithmetic number, because the mean of its divisors is an integer number (6689984).

Almost surely, 2^42051284 is an apocalyptic number.

42051284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42051284 is a deficient number, since it is larger than the sum of its proper divisors (38228524).

42051284 is a wasteful number, since it uses less digits than its factorization.

42051284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955726 (or 955724 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42051284 is about 6484.6961378310. The cubic root of 42051284 is about 347.7440867451.

The spelling of 42051284 in words is "forty-two million, fifty-one thousand, two hundred eighty-four".