425789844480 has 2816 divisors, whose sum is σ = 2163078328320. Its totient is φ = 76441190400.

The previous prime is 425789844439. The next prime is 425789844539. The reversal of 425789844480 is 84448987524.

425789844480 is a `hidden beast` number, since 4 + 2 + 5 + 78 + 9 + 84 + 4 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (2816).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2352429990 + ... + 2352430170.

Almost surely, 2^425789844480 is an apocalyptic number.

425789844480 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 425789844480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081539164160).

425789844480 is an abundant number, since it is smaller than the sum of its proper divisors (1737288483840).

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

425789844480 is a wasteful number, since it uses less digits than its factorization.

425789844480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 82575360, while the sum is 63.

The spelling of 425789844480 in words is "four hundred twenty-five billion, seven hundred eighty-nine million, eight hundred forty-four thousand, four hundred eighty".