425227572540 has 288 divisors, whose sum is σ = 1388554876800. Its totient is φ = 104948121600.

The previous prime is 425227572509. The next prime is 425227572559. The reversal of 425227572540 is 45275722524.

425227572540 is a `hidden beast` number, since 4 + 2 + 5 + 2 + 27 + 572 + 54 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 91464136 + ... + 91468784.

It is an arithmetic number, because the mean of its divisors is an integer number (4821371100).

Almost surely, 2^425227572540 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 425227572540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694277438400).

425227572540 is an abundant number, since it is smaller than the sum of its proper divisors (963327304260).

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

425227572540 is a wasteful number, since it uses less digits than its factorization.

425227572540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 1568000, while the sum is 45.

The spelling of 425227572540 in words is "four hundred twenty-five billion, two hundred twenty-seven million, five hundred seventy-two thousand, five hundred forty".