2029879800 has 288 divisors, whose sum is σ = 7393276800. Its totient is φ = 496143360.

The previous prime is 2029879769. The next prime is 2029879811. The reversal of 2029879800 is 89789202.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5218006 + ... + 5218394.

It is an arithmetic number, because the mean of its divisors is an integer number (25671100).

Almost surely, 2^2029879800 is an apocalyptic number.

2029879800 is a gapful number since it is divisible by the number (20) 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 2029879800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3696638400).

2029879800 is an abundant number, since it is smaller than the sum of its proper divisors (5363397000).

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

2029879800 is a wasteful number, since it uses less digits than its factorization.

2029879800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2029879800 is about 45054.1873747602. The cubic root of 2029879800 is about 1266.1644253843.

The spelling of 2029879800 in words is "two billion, twenty-nine million, eight hundred seventy-nine thousand, eight hundred".