1542432018 has 32 divisors (see below), whose sum is σ = 3117219840. Its totient is φ = 508772880.

The previous prime is 1542432011. The next prime is 1542432029. The reversal of 1542432018 is 8102342451.

It is not an unprimeable number, because it can be changed into a prime (1542432011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316863 + ... + 321693.

It is an arithmetic number, because the mean of its divisors is an integer number (97413120).

Almost surely, 2^1542432018 is an apocalyptic number.

1542432018 is an abundant number, since it is smaller than the sum of its proper divisors (1574787822).

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

1542432018 is a wasteful number, since it uses less digits than its factorization.

1542432018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1542432018 is about 39273.8082950966. The cubic root of 1542432018 is about 1155.4079299694.

Adding to 1542432018 its reverse (8102342451), we get a palindrome (9644774469).

The spelling of 1542432018 in words is "one billion, five hundred forty-two million, four hundred thirty-two thousand, eighteen".