424056556 has 96 divisors (see below), whose sum is σ = 960970752. Its totient is φ = 158941440.

The previous prime is 424056443. The next prime is 424056559. The reversal of 424056556 is 655650424.

It is a super-2 number, since 2×424056556² = 359647925373162272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (424056559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447146 + ... + 1447438.

It is an arithmetic number, because the mean of its divisors is an integer number (10010112).

Almost surely, 2^424056556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424056556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480485376).

424056556 is an abundant number, since it is smaller than the sum of its proper divisors (536914196).

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

424056556 is a wasteful number, since it uses less digits than its factorization.

424056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 424056556 is about 20592.6335372628. The cubic root of 424056556 is about 751.2905519531.

The spelling of 424056556 in words is "four hundred twenty-four million, fifty-six thousand, five hundred fifty-six".