450244542524540 has 48 divisors (see below), whose sum is σ = 991047141439488. Its totient is φ = 171494977203264.

The previous prime is 450244542524537. The next prime is 450244542524587. The reversal of 450244542524540 is 45425245442054.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194499402 + ... + 2194704561.

It is an arithmetic number, because the mean of its divisors is an integer number (20646815446656).

Almost surely, 2^{450244542524540} is an apocalyptic number.

It is an amenable number.

450244542524540 is an abundant number, since it is smaller than the sum of its proper divisors (540802598914948).

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

450244542524540 is a wasteful number, since it uses less digits than its factorization.

450244542524540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389204218 (or 4389204216 counting only the distinct ones).

The product of its (nonzero) digits is 20480000, while the sum is 50.

Adding to 450244542524540 its reverse (45425245442054), we get a palindrome (495669787966594).

The spelling of 450244542524540 in words is "four hundred fifty trillion, two hundred forty-four billion, five hundred forty-two million, five hundred twenty-four thousand, five hundred forty".