9425881954944 has 1280 divisors, whose sum is σ = 36371182848000. Its totient is φ = 2405389271040.

The previous prime is 9425881954901. The next prime is 9425881955023. The reversal of 9425881954944 is 4494591885249.

It is a happy number.

9425881954944 is a `hidden beast` number, since 9 + 4 + 2 + 58 + 81 + 9 + 5 + 494 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1433154984 + ... + 1433161560.

It is an arithmetic number, because the mean of its divisors is an integer number (28414986600).

Almost surely, 2^{9425881954944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9425881954944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18185591424000).

9425881954944 is an abundant number, since it is smaller than the sum of its proper divisors (26945300893056).

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

9425881954944 is a wasteful number, since it uses less digits than its factorization.

9425881954944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668 (or 6633 counting only the distinct ones).

The product of its digits is 597196800, while the sum is 72.

The spelling of 9425881954944 in words is "nine trillion, four hundred twenty-five billion, eight hundred eighty-one million, nine hundred fifty-four thousand, nine hundred forty-four".