425725281975348 has 240 divisors, whose sum is σ = 1154982216858624. Its totient is φ = 136595803438080.

The previous prime is 425725281975341. The next prime is 425725281975373. The reversal of 425725281975348 is 843579182527524.

425725281975348 is a `hidden beast` number, since 4 + 2 + 5 + 7 + 2 + 5 + 2 + 81 + 9 + 7 + 534 + 8 = 666.

It is a super-2 number, since 2×425725281975348² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425725281975341) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7643566636 + ... + 7643622332.

Almost surely, 2^{425725281975348} 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 425725281975348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577491108429312).

425725281975348 is an abundant number, since it is smaller than the sum of its proper divisors (729256934883276).

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

425725281975348 is a wasteful number, since it uses less digits than its factorization.

425725281975348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59804 (or 59793 counting only the distinct ones).

The product of its digits is 1354752000, while the sum is 72.

The spelling of 425725281975348 in words is "four hundred twenty-five trillion, seven hundred twenty-five billion, two hundred eighty-one million, nine hundred seventy-five thousand, three hundred forty-eight".