425178573552 has 120 divisors (see below), whose sum is σ = 1234494153984. Its totient is φ = 141667164864.

The previous prime is 425178573539. The next prime is 425178573671. The reversal of 425178573552 is 255375871524.

425178573552 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 7 + 85 + 7 + 3 + 552 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9865683 + ... + 9908685.

Almost surely, 2^425178573552 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 425178573552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617247076992).

425178573552 is an abundant number, since it is smaller than the sum of its proper divisors (809315580432).

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

425178573552 is a wasteful number, since it uses less digits than its factorization.

425178573552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45569 (or 45551 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 54.

The spelling of 425178573552 in words is "four hundred twenty-five billion, one hundred seventy-eight million, five hundred seventy-three thousand, five hundred fifty-two".