424613640 has 128 divisors (see below), whose sum is σ = 1395947520. Its totient is φ = 102470400.

The previous prime is 424613633. The next prime is 424613681. The reversal of 424613640 is 46316424.

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 = 424613598 and 424613607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357127 + ... + 358313.

It is an arithmetic number, because the mean of its divisors is an integer number (10905840).

Almost surely, 2^424613640 is an apocalyptic number.

424613640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424613640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697973760).

424613640 is an abundant number, since it is smaller than the sum of its proper divisors (971333880).

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

424613640 is a wasteful number, since it uses less digits than its factorization.

424613640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1479 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 424613640 is about 20606.1553910476. The cubic root of 424613640 is about 751.6193986585.

The spelling of 424613640 in words is "four hundred twenty-four million, six hundred thirteen thousand, six hundred forty".