425892240 has 120 divisors (see below), whose sum is σ = 1453885368. Its totient is φ = 111697920.

The previous prime is 425892227. The next prime is 425892281. The reversal of 425892240 is 42298524.

425892240 is a `hidden beast` number, since 425 + 8 + 9 + 224 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 15586704 + 410305536 = 3948^2 + 20256^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 425892195 and 425892204.

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, 39072 + ... + 48768.

Almost surely, 2^425892240 is an apocalyptic number.

425892240 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 425892240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726942684).

425892240 is an abundant number, since it is smaller than the sum of its proper divisors (1027993128).

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

425892240 is a wasteful number, since it uses less digits than its factorization.

425892240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9777 (or 9768 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 425892240 is about 20637.1567809134. The cubic root of 425892240 is about 752.3730701315.

The spelling of 425892240 in words is "four hundred twenty-five million, eight hundred ninety-two thousand, two hundred forty".