1425810620 has 48 divisors (see below), whose sum is σ = 3228543360. Its totient is φ = 525797376.

The previous prime is 1425810583. The next prime is 1425810643. The reversal of 1425810620 is 260185241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238589 + ... + 244491.

It is an arithmetic number, because the mean of its divisors is an integer number (67261320).

Almost surely, 2^1425810620 is an apocalyptic number.

1425810620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425810620 is an abundant number, since it is smaller than the sum of its proper divisors (1802732740).

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

1425810620 is a wasteful number, since it uses less digits than its factorization.

1425810620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 6852 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1425810620 is about 37759.9075740394. The cubic root of 1425810620 is about 1125.5218964515.

Adding to 1425810620 its reverse (260185241), we get a palindrome (1685995861).

The spelling of 1425810620 in words is "one billion, four hundred twenty-five million, eight hundred ten thousand, six hundred twenty".