425450000 has 120 divisors (see below), whose sum is σ = 1053932544. Its totient is φ = 166320000.

The previous prime is 425449991. The next prime is 425450009. The reversal of 425450000 is 54524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425449991) and next prime (425450009).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (425450009) 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, 3349937 + ... + 3350063.

Almost surely, 2^425450000 is an apocalyptic number.

425450000 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 425450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526966272).

425450000 is an abundant number, since it is smaller than the sum of its proper divisors (628482544).

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

425450000 is an equidigital number, since it uses as much as digits as its factorization.

425450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 425450000 is about 20626.4393437161. The cubic root of 425450000 is about 752.1125623717.

The spelling of 425450000 in words is "four hundred twenty-five million, four hundred fifty thousand".