424040552 has 64 divisors (see below), whose sum is σ = 901152000. Its totient is φ = 185681664.

The previous prime is 424040549. The next prime is 424040579. The reversal of 424040552 is 255040424.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 176753 + ... + 179135.

It is an arithmetic number, because the mean of its divisors is an integer number (14080500).

Almost surely, 2^424040552 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 424040552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450576000).

424040552 is an abundant number, since it is smaller than the sum of its proper divisors (477111448).

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

424040552 is a wasteful number, since it uses less digits than its factorization.

424040552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 424040552 is about 20592.2449480381. The cubic root of 424040552 is about 751.2811005367.

Adding to 424040552 its reverse (255040424), we get a palindrome (679080976).

The spelling of 424040552 in words is "four hundred twenty-four million, forty thousand, five hundred fifty-two".