424240464440 has 32 divisors (see below), whose sum is σ = 1027967280480. Its totient is φ = 156642632832.

The previous prime is 424240464437. The next prime is 424240464503. The reversal of 424240464440 is 44464042424.

It is a junction number, because it is equal to n+sod(n) for n = 424240464394 and 424240464403.

It is a congruent number.

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, 407923004 + ... + 407924043.

It is an arithmetic number, because the mean of its divisors is an integer number (32123977515).

Almost surely, 2^424240464440 is an apocalyptic number.

424240464440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424240464440 is an abundant number, since it is smaller than the sum of its proper divisors (603726816040).

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

424240464440 is a wasteful number, since it uses less digits than its factorization.

424240464440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815847071 (or 815847067 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

The spelling of 424240464440 in words is "four hundred twenty-four billion, two hundred forty million, four hundred sixty-four thousand, four hundred forty".