42254012 has 12 divisors (see below), whose sum is σ = 74095056. Its totient is φ = 21084000.

The previous prime is 42253973. The next prime is 42254041. The reversal of 42254012 is 21045224.

It is a happy number.

It is a super-2 number, since 2×42254012² = 3570803060192288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8489 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (6174588).

Almost surely, 2^42254012 is an apocalyptic number.

It is an amenable number.

42254012 is a deficient number, since it is larger than the sum of its proper divisors (31841044).

42254012 is a wasteful number, since it uses less digits than its factorization.

42254012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508 (or 21506 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42254012 is about 6500.3086080585. The cubic root of 42254012 is about 348.3020124511.

Adding to 42254012 its reverse (21045224), we get a palindrome (63299236).

The spelling of 42254012 in words is "forty-two million, two hundred fifty-four thousand, twelve".