425477745000 has 1440 divisors, whose sum is σ = 1886167483200. Its totient is φ = 86961600000.

The previous prime is 425477744941. The next prime is 425477745001. The reversal of 425477745000 is 547774524.

425477745000 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 77 + 74 + 500 + 0 = 666.

It is a super-2 number, since 2×425477745000² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (425477745001) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 6975044970 + ... + 6975045030.

It is an arithmetic number, because the mean of its divisors is an integer number (1309838530).

Almost surely, 2^425477745000 is an apocalyptic number.

425477745000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425477745000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (943083741600).

425477745000 is an abundant number, since it is smaller than the sum of its proper divisors (1460689738200).

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

425477745000 is a wasteful number, since it uses less digits than its factorization.

425477745000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The spelling of 425477745000 in words is "four hundred twenty-five billion, four hundred seventy-seven million, seven hundred forty-five thousand".