425449073147904 has 1760 divisors, whose sum is σ = 1451496736521216. Its totient is φ = 123284351877120.

The previous prime is 425449073147831. The next prime is 425449073147963. The reversal of 425449073147904 is 409741370944524.

It is a happy number.

425449073147904 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 4 + 90 + 73 + 1 + 479 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3349992701889 + ... + 3349992702015.

Almost surely, 2^{425449073147904} 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 425449073147904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725748368260608).

425449073147904 is an abundant number, since it is smaller than the sum of its proper divisors (1026047663373312).

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

425449073147904 is an frugal number, since it uses more digits than its factorization.

425449073147904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 63.

The spelling of 425449073147904 in words is "four hundred twenty-five trillion, four hundred forty-nine billion, seventy-three million, one hundred forty-seven thousand, nine hundred four".