42265956 has 48 divisors (see below), whose sum is σ = 104448960. Its totient is φ = 13265280.

The previous prime is 42265933. The next prime is 42265969. The reversal of 42265956 is 65956224.

It is a super-2 number, since 2×42265956² = 3572822073187872, which contains 22 as substring.

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, 44446 + ... + 45386.

It is an arithmetic number, because the mean of its divisors is an integer number (2176020).

Almost surely, 2^42265956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42265956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52224480).

42265956 is an abundant number, since it is smaller than the sum of its proper divisors (62183004).

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

42265956 is a wasteful number, since it uses less digits than its factorization.

42265956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1162 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 42265956 is about 6501.2272687547. The cubic root of 42265956 is about 348.3348276965.

The spelling of 42265956 in words is "forty-two million, two hundred sixty-five thousand, nine hundred fifty-six".