1426625420 has 96 divisors (see below), whose sum is σ = 3396556800. Its totient is φ = 498579200.

The previous prime is 1426625419. The next prime is 1426625437. The reversal of 1426625420 is 245266241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1983821 + ... + 1984539.

It is an arithmetic number, because the mean of its divisors is an integer number (35380800).

Almost surely, 2^1426625420 is an apocalyptic number.

1426625420 is a gapful number since it is divisible by the number (10) 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 1426625420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698278400).

1426625420 is an abundant number, since it is smaller than the sum of its proper divisors (1969931380).

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

1426625420 is a wasteful number, since it uses less digits than its factorization.

1426625420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1426625420 is about 37770.6952543900. The cubic root of 1426625420 is about 1125.7362541864.

The spelling of 1426625420 in words is "one billion, four hundred twenty-six million, six hundred twenty-five thousand, four hundred twenty".