425745810 has 144 divisors (see below), whose sum is σ = 1332466200. Its totient is φ = 93929472.

The previous prime is 425745799. The next prime is 425745811. The reversal of 425745810 is 18547524.

425745810 is a `hidden beast` number, since 4 + 2 + 5 + 74 + 581 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 325405521 + 100340289 = 18039^2 + 10017^2 .

It is a super-2 number, since 2×425745810² = 362518989465112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425745811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 126226 + ... + 129554.

Almost surely, 2^425745810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425745810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666233100).

425745810 is an abundant number, since it is smaller than the sum of its proper divisors (906720390).

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

425745810 is a wasteful number, since it uses less digits than its factorization.

425745810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 425745810 is about 20633.6087488350. The cubic root of 425745810 is about 752.2868334368.

It can be divided in two parts, 42574 and 5810, that added together give a palindrome (48384).

The spelling of 425745810 in words is "four hundred twenty-five million, seven hundred forty-five thousand, eight hundred ten".