42791510 has 16 divisors (see below), whose sum is σ = 77099472. Its totient is φ = 17100000.

The previous prime is 42791509. The next prime is 42791519. The reversal of 42791510 is 1519724.

42791510 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42791510² = 3662226656160200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42791519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17885 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (4818717).

Almost surely, 2^42791510 is an apocalyptic number.

42791510 is a deficient number, since it is larger than the sum of its proper divisors (34307962).

42791510 is a wasteful number, since it uses less digits than its factorization.

42791510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42791510 is about 6541.5219941540. The cubic root of 42791510 is about 349.7726687027.

The spelling of 42791510 in words is "forty-two million, seven hundred ninety-one thousand, five hundred ten".