1996269880 has 128 divisors (see below), whose sum is σ = 5329126080. Its totient is φ = 664657920.

The previous prime is 1996269853. The next prime is 1996269967. The reversal of 1996269880 is 889626991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273154 + ... + 280366.

Almost surely, 2^1996269880 is an apocalyptic number.

1996269880 is a gapful number since it is divisible by the number (10) 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 1996269880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2664563040).

1996269880 is an abundant number, since it is smaller than the sum of its proper divisors (3332856200).

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

1996269880 is a wasteful number, since it uses less digits than its factorization.

1996269880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7289 (or 7285 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The square root of 1996269880 is about 44679.6360773004. The cubic root of 1996269880 is about 1259.1372863196.

The spelling of 1996269880 in words is "one billion, nine hundred ninety-six million, two hundred sixty-nine thousand, eight hundred eighty".