424984657920 has 360 divisors, whose sum is σ = 1381665380256. Its totient is φ = 111540436992.

The previous prime is 424984657919. The next prime is 424984657921. The reversal of 424984657920 is 29756489424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424984657919) and next prime (424984657921).

It is a super-2 number, since 2×424984657920² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424984657921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2607267759 + ... + 2607267921.

Almost surely, 2^424984657920 is an apocalyptic number.

424984657920 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 424984657920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690832690128).

424984657920 is an abundant number, since it is smaller than the sum of its proper divisors (956680722336).

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

424984657920 is an equidigital number, since it uses as much as digits as its factorization.

424984657920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 424984657920 in words is "four hundred twenty-four billion, nine hundred eighty-four million, six hundred fifty-seven thousand, nine hundred twenty".