424088032720 has 160 divisors (see below), whose sum is σ = 1120173732864. Its totient is φ = 147917414400.

The previous prime is 424088032717. The next prime is 424088032721. The reversal of 424088032720 is 27230880424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424088032721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3013854 + ... + 3151426.

Almost surely, 2^424088032720 is an apocalyptic number.

424088032720 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 424088032720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560086866432).

424088032720 is an abundant number, since it is smaller than the sum of its proper divisors (696085700144).

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

424088032720 is a wasteful number, since it uses less digits than its factorization.

424088032720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137741 (or 137735 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The spelling of 424088032720 in words is "four hundred twenty-four billion, eighty-eight million, thirty-two thousand, seven hundred twenty".