2087494944 has 24 divisors (see below), whose sum is σ = 5479674480. Its totient is φ = 695831616.

The previous prime is 2087494931. The next prime is 2087494949. The reversal of 2087494944 is 4494947802.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2087494949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10872274 + ... + 10872465.

It is an arithmetic number, because the mean of its divisors is an integer number (228319770).

Almost surely, 2^2087494944 is an apocalyptic number.

2087494944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2087494944 is an abundant number, since it is smaller than the sum of its proper divisors (3392179536).

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

2087494944 is a wasteful number, since it uses less digits than its factorization.

2087494944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21744752 (or 21744744 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2087494944 is about 45689.1118758069. Note that the first 3 decimals coincide. The cubic root of 2087494944 is about 1278.0322434257.

The spelling of 2087494944 in words is "two billion, eighty-seven million, four hundred ninety-four thousand, nine hundred forty-four".