425454240 has 144 divisors (see below), whose sum is σ = 1424116512. Its totient is φ = 106745856.

The previous prime is 425454233. The next prime is 425454241. The reversal of 425454240 is 42454524.

It is a super-2 number, since 2×425454240² = 362022620667955200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 425454198 and 425454207.

It is not an unprimeable number, because it can be changed into a prime (425454241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137187 + ... + 140253.

It is an arithmetic number, because the mean of its divisors is an integer number (9889698).

Almost surely, 2^425454240 is an apocalyptic number.

425454240 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 425454240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712058256).

425454240 is an abundant number, since it is smaller than the sum of its proper divisors (998662272).

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

425454240 is a wasteful number, since it uses less digits than its factorization.

425454240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119 (or 3094 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 425454240 is about 20626.5421241661. The cubic root of 425454240 is about 752.1150608609.

The spelling of 425454240 in words is "four hundred twenty-five million, four hundred fifty-four thousand, two hundred forty".