1426357632 has 128 divisors (see below), whose sum is σ = 4401504000. Its totient is φ = 400803840.

The previous prime is 1426357609. The next prime is 1426357661. The reversal of 1426357632 is 2367536241.

It is a tau number, because it is divible by the number of its divisors (128).

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, 159619 + ... + 168317.

It is an arithmetic number, because the mean of its divisors is an integer number (34386750).

Almost surely, 2^1426357632 is an apocalyptic number.

1426357632 is a gapful number since it is divisible by the number (12) 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 1426357632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200752000).

1426357632 is an abundant number, since it is smaller than the sum of its proper divisors (2975146368).

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

1426357632 is an equidigital number, since it uses as much as digits as its factorization.

1426357632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784 (or 8772 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 1426357632 is about 37767.1501704855. The cubic root of 1426357632 is about 1125.6658134760.

The spelling of 1426357632 in words is "one billion, four hundred twenty-six million, three hundred fifty-seven thousand, six hundred thirty-two".