1535020240534 has 32 divisors (see below), whose sum is σ = 2624051655936. Its totient is φ = 666638908320.

The previous prime is 1535020240531. The next prime is 1535020240549. The reversal of 1535020240534 is 4350420205351.

It is a self number, because there is not a number n which added to its sum of digits gives 1535020240534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535020240531) 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, 1285792 + ... + 2173315.

It is an arithmetic number, because the mean of its divisors is an integer number (82001614248).

Almost surely, 2^{1535020240534} is an apocalyptic number.

1535020240534 is a deficient number, since it is larger than the sum of its proper divisors (1089031415402).

1535020240534 is a wasteful number, since it uses less digits than its factorization.

1535020240534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460020.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 1535020240534 its reverse (4350420205351), we get a palindrome (5885440445885).

The spelling of 1535020240534 in words is "one trillion, five hundred thirty-five billion, twenty million, two hundred forty thousand, five hundred thirty-four".