2061142880 has 48 divisors (see below), whose sum is σ = 5026541184. Its totient is φ = 797859840.

The previous prime is 2061142879. The next prime is 2061142949. The reversal of 2061142880 is 882411602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202817 + ... + 212736.

It is an arithmetic number, because the mean of its divisors is an integer number (104719608).

Almost surely, 2^2061142880 is an apocalyptic number.

2061142880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2061142880 is an abundant number, since it is smaller than the sum of its proper divisors (2965398304).

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

2061142880 is a wasteful number, since it uses less digits than its factorization.

2061142880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415599 (or 415591 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 2061142880 is about 45399.8114533530. The cubic root of 2061142880 is about 1272.6315904074.

The spelling of 2061142880 in words is "two billion, sixty-one million, one hundred forty-two thousand, eight hundred eighty".