42254020 has 24 divisors (see below), whose sum is σ = 88916184. Its totient is φ = 16866816.

The previous prime is 42253973. The next prime is 42254041. The reversal of 42254020 is 2045224.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 41886784 = 606^2 + 6472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9244 + ... + 13036.

It is an arithmetic number, because the mean of its divisors is an integer number (3704841).

Almost surely, 2^42254020 is an apocalyptic number.

It is an amenable number.

42254020 is an abundant number, since it is smaller than the sum of its proper divisors (46662164).

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

42254020 is a wasteful number, since it uses less digits than its factorization.

42254020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42254020 is about 6500.3092234139. The cubic root of 42254020 is about 348.3020344325.

Adding to 42254020 its reverse (2045224), we get a palindrome (44299244).

The spelling of 42254020 in words is "forty-two million, two hundred fifty-four thousand, twenty".