1505040042 has 16 divisors (see below), whose sum is σ = 3283723872. Its totient is φ = 456072720.

The previous prime is 1505040041. The next prime is 1505040067. The reversal of 1505040042 is 2400405051.

It is not an unprimeable number, because it can be changed into a prime (1505040041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11401753 + ... + 11401884.

It is an arithmetic number, because the mean of its divisors is an integer number (205232742).

Almost surely, 2^1505040042 is an apocalyptic number.

1505040042 is an abundant number, since it is smaller than the sum of its proper divisors (1778683830).

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

1505040042 is a wasteful number, since it uses less digits than its factorization.

1505040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22803653.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1505040042 is about 38794.8455596874. The cubic root of 1505040042 is about 1145.9948999100.

Adding to 1505040042 its reverse (2400405051), we get a palindrome (3905445093).

The spelling of 1505040042 in words is "one billion, five hundred five million, forty thousand, forty-two".