2046919680 has 704 divisors, whose sum is σ = 8418574080. Its totient is φ = 467140608.

The previous prime is 2046919643. The next prime is 2046919681. The reversal of 2046919680 is 869196402.

It is a happy number.

2046919680 is a `hidden beast` number, since 20 + 469 + 1 + 96 + 80 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2046919681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30551007 + ... + 30551073.

Almost surely, 2^2046919680 is an apocalyptic number.

2046919680 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 2046919680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209287040).

2046919680 is an abundant number, since it is smaller than the sum of its proper divisors (6371654400).

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

2046919680 is a wasteful number, since it uses less digits than its factorization.

2046919680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2046919680 is about 45242.8964590023. The cubic root of 2046919680 is about 1269.6975078858.

The spelling of 2046919680 in words is "two billion, forty-six million, nine hundred nineteen thousand, six hundred eighty".