1426252880 has 40 divisors (see below), whose sum is σ = 3571120392. Its totient is φ = 526616064.

The previous prime is 1426252829. The next prime is 1426252897. The reversal of 1426252880 is 882526241.

It can be written as a sum of positive squares in 4 ways, for example, as 134281744 + 1291971136 = 11588^2 + 35944^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684659 + ... + 686738.

Almost surely, 2^1426252880 is an apocalyptic number.

1426252880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426252880 is an abundant number, since it is smaller than the sum of its proper divisors (2144867512).

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

1426252880 is a wasteful number, since it uses less digits than its factorization.

1426252880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371423 (or 1371417 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 1426252880 is about 37765.7633313561. The cubic root of 1426252880 is about 1125.6382564246.

The spelling of 1426252880 in words is "one billion, four hundred twenty-six million, two hundred fifty-two thousand, eight hundred eighty".