2446491980 has 24 divisors (see below), whose sum is σ = 5158112400. Its totient is φ = 974696000.

The previous prime is 2446491973. The next prime is 2446491989. The reversal of 2446491980 is 891946442.

It is not an unprimeable number, because it can be changed into a prime (2446491989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238655 + ... + 248694.

It is an arithmetic number, because the mean of its divisors is an integer number (214921350).

Almost surely, 2^2446491980 is an apocalyptic number.

2446491980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2446491980 is an abundant number, since it is smaller than the sum of its proper divisors (2711620420).

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

2446491980 is a wasteful number, since it uses less digits than its factorization.

2446491980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487609 (or 487607 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2446491980 is about 49462.0256358350. The cubic root of 2446491980 is about 1347.4560192997.

The spelling of 2446491980 in words is "two billion, four hundred forty-six million, four hundred ninety-one thousand, nine hundred eighty".