1043426688 has 128 divisors (see below), whose sum is σ = 2850059520. Its totient is φ = 338098176.

The previous prime is 1043426669. The next prime is 1043426701. The reversal of 1043426688 is 8866243401.

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, 3398631 + ... + 3398937.

It is an arithmetic number, because the mean of its divisors is an integer number (22266090).

Almost surely, 2^1043426688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043426688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425029760).

1043426688 is an abundant number, since it is smaller than the sum of its proper divisors (1806632832).

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

1043426688 is a wasteful number, since it uses less digits than its factorization.

1043426688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 1043426688 is about 32302.1158440124. The cubic root of 1043426688 is about 1014.2709342969.

The spelling of 1043426688 in words is "one billion, forty-three million, four hundred twenty-six thousand, six hundred eighty-eight".