1540524342 has 16 divisors (see below), whose sum is σ = 3521198592. Its totient is φ = 440149800.

The previous prime is 1540524331. The next prime is 1540524347. The reversal of 1540524342 is 2434250451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540524347) 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, 18339534 + ... + 18339617.

It is an arithmetic number, because the mean of its divisors is an integer number (220074912).

Almost surely, 2^1540524342 is an apocalyptic number.

1540524342 is an abundant number, since it is smaller than the sum of its proper divisors (1980674250).

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

1540524342 is a wasteful number, since it uses less digits than its factorization.

1540524342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36679163.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1540524342 is about 39249.5139078180. The cubic root of 1540524342 is about 1154.9313982605.

Adding to 1540524342 its reverse (2434250451), we get a palindrome (3974774793).

The spelling of 1540524342 in words is "one billion, five hundred forty million, five hundred twenty-four thousand, three hundred forty-two".