42080236 has 48 divisors (see below), whose sum is σ = 86056992. Its totient is φ = 17792000.

The previous prime is 42080197. The next prime is 42080257. The reversal of 42080236 is 63208024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42080236.

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, 75270 + ... + 75826.

It is an arithmetic number, because the mean of its divisors is an integer number (1792854).

Almost surely, 2^42080236 is an apocalyptic number.

It is an amenable number.

42080236 is an abundant number, since it is smaller than the sum of its proper divisors (43976756).

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

42080236 is a wasteful number, since it uses less digits than its factorization.

42080236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42080236 is about 6486.9280865445. The cubic root of 42080236 is about 347.8238748528.

It can be divided in two parts, 420 and 80236, that added together give a square (80656 = 284²).

The spelling of 42080236 in words is "forty-two million, eighty thousand, two hundred thirty-six".