427704019424 has 96 divisors (see below), whose sum is σ = 928563906816. Its totient is φ = 192304696320.

The previous prime is 427704019409. The next prime is 427704019517. The reversal of 427704019424 is 424910407724.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34328204 + ... + 34340660.

It is an arithmetic number, because the mean of its divisors is an integer number (9672540696).

Almost surely, 2^427704019424 is an apocalyptic number.

427704019424 is a gapful number since it is divisible by the number (44) 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 427704019424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464281953408).

427704019424 is an abundant number, since it is smaller than the sum of its proper divisors (500859887392).

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

427704019424 is a wasteful number, since it uses less digits than its factorization.

427704019424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13528 (or 13520 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 427704019424 in words is "four hundred twenty-seven billion, seven hundred four million, nineteen thousand, four hundred twenty-four".