424067540 has 24 divisors (see below), whose sum is σ = 959045640. Its totient is φ = 156578688.

The previous prime is 424067531. The next prime is 424067543. The reversal of 424067540 is 45760424.

It can be written as a sum of positive squares in 4 ways, for example, as 3161284 + 420906256 = 1778^2 + 20516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424067497 and 424067506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424067543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 815255 + ... + 815774.

It is an arithmetic number, because the mean of its divisors is an integer number (39960235).

Almost surely, 2^424067540 is an apocalyptic number.

It is an amenable number.

424067540 is an abundant number, since it is smaller than the sum of its proper divisors (534978100).

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

424067540 is a wasteful number, since it uses less digits than its factorization.

424067540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631051 (or 1631049 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 424067540 is about 20592.9002328472. The cubic root of 424067540 is about 751.2970385911.

The spelling of 424067540 in words is "four hundred twenty-four million, sixty-seven thousand, five hundred forty".