424021305540 has 48 divisors (see below), whose sum is σ = 1356868179072. Its totient is φ = 96919155456.

The previous prime is 424021305509. The next prime is 424021305553. The reversal of 424021305540 is 45503120424.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 424021305498 and 424021305507.

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, 504786849 + ... + 504787688.

It is an arithmetic number, because the mean of its divisors is an integer number (28268087064).

Almost surely, 2^424021305540 is an apocalyptic number.

It is an amenable number.

424021305540 is an abundant number, since it is smaller than the sum of its proper divisors (932846873532).

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

424021305540 is a wasteful number, since it uses less digits than its factorization.

424021305540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009574556 (or 1009574554 counting only the distinct ones).

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

Adding to 424021305540 its reverse (45503120424), we get a palindrome (469524425964).

The spelling of 424021305540 in words is "four hundred twenty-four billion, twenty-one million, three hundred five thousand, five hundred forty".