425871594540 has 192 divisors, whose sum is σ = 1516842163200. Its totient is φ = 97172877312.

The previous prime is 425871594527. The next prime is 425871594559. The reversal of 425871594540 is 45495178524.

425871594540 is a `hidden beast` number, since 4 + 2 + 5 + 8 + 7 + 1 + 5 + 94 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2083431 + ... + 2278689.

It is an arithmetic number, because the mean of its divisors is an integer number (7900219600).

Almost surely, 2^425871594540 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 425871594540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (758421081600).

425871594540 is an abundant number, since it is smaller than the sum of its proper divisors (1090970568660).

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

425871594540 is a wasteful number, since it uses less digits than its factorization.

425871594540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195861 (or 195853 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 54.

The spelling of 425871594540 in words is "four hundred twenty-five billion, eight hundred seventy-one million, five hundred ninety-four thousand, five hundred forty".