424240520000 has 840 divisors, whose sum is σ = 1251222580608. Its totient is φ = 142179840000.

The previous prime is 424240519949. The next prime is 424240520027. The reversal of 424240520000 is 25042424.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4118839949 + ... + 4118840051.

Almost surely, 2^424240520000 is an apocalyptic number.

424240520000 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 424240520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625611290304).

424240520000 is an abundant number, since it is smaller than the sum of its proper divisors (826982060608).

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

424240520000 is a wasteful number, since it uses less digits than its factorization.

424240520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 424240520000 its reverse (25042424), we get a palindrome (424265562424).

The spelling of 424240520000 in words is "four hundred twenty-four billion, two hundred forty million, five hundred twenty thousand".