42611508 has 48 divisors (see below), whose sum is σ = 111861120. Its totient is φ = 14200920.

The previous prime is 42611473. The next prime is 42611533. The reversal of 42611508 is 80511624.

42611508 is a `hidden beast` number, since 42 + 611 + 5 + 0 + 8 = 666.

It is a super-2 number, since 2×42611508² = 3631481228068128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6313 + ... + 11183.

It is an arithmetic number, because the mean of its divisors is an integer number (2330440).

Almost surely, 2^42611508 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 42611508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55930560).

42611508 is an abundant number, since it is smaller than the sum of its proper divisors (69249612).

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

42611508 is an equidigital number, since it uses as much as digits as its factorization.

42611508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896 (or 4876 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 42611508 is about 6527.7490760598. The cubic root of 42611508 is about 349.2815411663.

The spelling of 42611508 in words is "forty-two million, six hundred eleven thousand, five hundred eight".