1425495980 has 24 divisors (see below), whose sum is σ = 2995334160. Its totient is φ = 569856960.

The previous prime is 1425495979. The next prime is 1425495997. The reversal of 1425495980 is 895945241.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14351 + ... + 55289.

It is an arithmetic number, because the mean of its divisors is an integer number (124805590).

Almost surely, 2^1425495980 is an apocalyptic number.

1425495980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425495980 is an abundant number, since it is smaller than the sum of its proper divisors (1569838180).

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

1425495980 is a wasteful number, since it uses less digits than its factorization.

1425495980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42689 (or 42687 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 1425495980 is about 37755.7410204064. The cubic root of 1425495980 is about 1125.4390990455.

The spelling of 1425495980 in words is "one billion, four hundred twenty-five million, four hundred ninety-five thousand, nine hundred eighty".