2051669760 has 288 divisors, whose sum is σ = 7560118272. Its totient is φ = 464486400.

The previous prime is 2051669687. The next prime is 2051669797. The reversal of 2051669760 is 679661502.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 3413460 + ... + 3414060.

Almost surely, 2^2051669760 is an apocalyptic number.

2051669760 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 2051669760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3780059136).

2051669760 is an abundant number, since it is smaller than the sum of its proper divisors (5508448512).

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

2051669760 is a wasteful number, since it uses less digits than its factorization.

2051669760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 2051669760 is about 45295.3613519089. The cubic root of 2051669760 is about 1270.6789021075.

The spelling of 2051669760 in words is "two billion, fifty-one million, six hundred sixty-nine thousand, seven hundred sixty".