42195460 has 24 divisors (see below), whose sum is σ = 89827416. Its totient is φ = 16646400.

The previous prime is 42195451. The next prime is 42195467. The reversal of 42195460 is 6459124.

It can be written as a sum of positive squares in 4 ways, for example, as 19289664 + 22905796 = 4392^2 + 4786^2 .

It is a super-2 number, since 2×42195460² = 3560913689223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42195467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12991 + ... + 15910.

It is an arithmetic number, because the mean of its divisors is an integer number (3742809).

Almost surely, 2^42195460 is an apocalyptic number.

It is an amenable number.

42195460 is an abundant number, since it is smaller than the sum of its proper divisors (47631956).

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

42195460 is a wasteful number, since it uses less digits than its factorization.

42195460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28983 (or 28981 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 42195460 is about 6495.8032605675. The cubic root of 42195460 is about 348.1410556905.

The spelling of 42195460 in words is "forty-two million, one hundred ninety-five thousand, four hundred sixty".