42261270 has 16 divisors (see below), whose sum is σ = 101427120. Its totient is φ = 11269664.

The previous prime is 42261229. The next prime is 42261341. The reversal of 42261270 is 7216224.

It is a self number, because there is not a number n which added to its sum of digits gives 42261270.

It is a congruent number.

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, 704325 + ... + 704384.

It is an arithmetic number, because the mean of its divisors is an integer number (6339195).

Almost surely, 2^42261270 is an apocalyptic number.

42261270 is an abundant number, since it is smaller than the sum of its proper divisors (59165850).

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

42261270 is a wasteful number, since it uses less digits than its factorization.

42261270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408719.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42261270 is about 6500.8668652727. The cubic root of 42261270 is about 348.3219539995.

Adding to 42261270 its reverse (7216224), we get a palindrome (49477494).

The spelling of 42261270 in words is "forty-two million, two hundred sixty-one thousand, two hundred seventy".