2046657040 has 80 divisors (see below), whose sum is σ = 4850760960. Its totient is φ = 802897920.

The previous prime is 2046657023. The next prime is 2046657059. The reversal of 2046657040 is 407566402.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2046656987 and 2046657005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451856 + ... + 1453264.

It is an arithmetic number, because the mean of its divisors is an integer number (60634512).

Almost surely, 2^2046657040 is an apocalyptic number.

2046657040 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 2046657040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2425380480).

2046657040 is an abundant number, since it is smaller than the sum of its proper divisors (2804103920).

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

2046657040 is a wasteful number, since it uses less digits than its factorization.

2046657040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2046657040 is about 45239.9938107865. The cubic root of 2046657040 is about 1269.6432006552.

The spelling of 2046657040 in words is "two billion, forty-six million, six hundred fifty-seven thousand, forty".