1426725880 has 32 divisors (see below), whose sum is σ = 3349706400. Its totient is φ = 545877376.

The previous prime is 1426725869. The next prime is 1426725967. The reversal of 1426725880 is 885276241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774475 + ... + 776314.

It is an arithmetic number, because the mean of its divisors is an integer number (104678325).

Almost surely, 2^1426725880 is an apocalyptic number.

1426725880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426725880 is an abundant number, since it is smaller than the sum of its proper divisors (1922980520).

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

1426725880 is a wasteful number, since it uses less digits than its factorization.

1426725880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550823 (or 1550819 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 1426725880 is about 37772.0250979478. The cubic root of 1426725880 is about 1125.7626775694.

The spelling of 1426725880 in words is "one billion, four hundred twenty-six million, seven hundred twenty-five thousand, eight hundred eighty".