1326015042 has 48 divisors (see below), whose sum is σ = 2977140096. Its totient is φ = 393263200.

The previous prime is 1326015013. The next prime is 1326015059. The reversal of 1326015042 is 2405106231.

It is a super-2 number, since 2×1326015042² = 3516631783220523528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14692 + ... + 53552.

It is an arithmetic number, because the mean of its divisors is an integer number (62023752).

Almost surely, 2^1326015042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326015042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488570048).

1326015042 is an abundant number, since it is smaller than the sum of its proper divisors (1651125054).

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

1326015042 is a wasteful number, since it uses less digits than its factorization.

1326015042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38935 (or 38924 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1326015042 is about 36414.4894513159. The cubic root of 1326015042 is about 1098.6250153378.

The spelling of 1326015042 in words is "one billion, three hundred twenty-six million, fifteen thousand, forty-two".