427554419440 has 80 divisors (see below), whose sum is σ = 1005205662720. Its totient is φ = 169108070400.

The previous prime is 427554419431. The next prime is 427554419459. The reversal of 427554419440 is 44914455724.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8907826 + ... + 8955694.

It is an arithmetic number, because the mean of its divisors is an integer number (12565070784).

Almost surely, 2^427554419440 is an apocalyptic number.

427554419440 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 427554419440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502602831360).

427554419440 is an abundant number, since it is smaller than the sum of its proper divisors (577651243280).

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

427554419440 is a wasteful number, since it uses less digits than its factorization.

427554419440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130 (or 49124 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 427554419440 in words is "four hundred twenty-seven billion, five hundred fifty-four million, four hundred nineteen thousand, four hundred forty".