42140262 has 32 divisors (see below), whose sum is σ = 87639552. Its totient is φ = 13496544.

The previous prime is 42140257. The next prime is 42140281. The reversal of 42140262 is 26204124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17283 + ... + 19569.

It is an arithmetic number, because the mean of its divisors is an integer number (2738736).

Almost surely, 2^42140262 is an apocalyptic number.

42140262 is an abundant number, since it is smaller than the sum of its proper divisors (45499290).

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

42140262 is a wasteful number, since it uses less digits than its factorization.

42140262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42140262 is about 6491.5531269489. The cubic root of 42140262 is about 347.9891825148.

Adding to 42140262 its reverse (26204124), we get a palindrome (68344386).

The spelling of 42140262 in words is "forty-two million, one hundred forty thousand, two hundred sixty-two".