425723551770 has 128 divisors (see below), whose sum is σ = 1145881976832. Its totient is φ = 100340352000.

The previous prime is 425723551763. The next prime is 425723551811. The reversal of 425723551770 is 77155327524.

It is a Curzon number.

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, 2251122 + ... + 2432898.

It is an arithmetic number, because the mean of its divisors is an integer number (8952202944).

Almost surely, 2^425723551770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425723551770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572940988416).

425723551770 is an abundant number, since it is smaller than the sum of its proper divisors (720158425062).

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

425723551770 is a wasteful number, since it uses less digits than its factorization.

425723551770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181996.

The product of its (nonzero) digits is 2058000, while the sum is 48.

The spelling of 425723551770 in words is "four hundred twenty-five billion, seven hundred twenty-three million, five hundred fifty-one thousand, seven hundred seventy".