424543205540 has 24 divisors (see below), whose sum is σ = 902282189760. Its totient is φ = 167771290208.

The previous prime is 424543205521. The next prime is 424543205557. The reversal of 424543205540 is 45502345424.

It is a junction number, because it is equal to n+sod(n) for n = 424543205494 and 424543205503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127872800 + ... + 127876119.

It is an arithmetic number, because the mean of its divisors is an integer number (37595091240).

Almost surely, 2^424543205540 is an apocalyptic number.

It is an amenable number.

424543205540 is an abundant number, since it is smaller than the sum of its proper divisors (477738984220).

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

424543205540 is a wasteful number, since it uses less digits than its factorization.

424543205540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255749011 (or 255749009 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

The spelling of 424543205540 in words is "four hundred twenty-four billion, five hundred forty-three million, two hundred five thousand, five hundred forty".