2041988418 has 18 divisors (see below), whose sum is σ = 4424723667. Its totient is φ = 680598900.

The previous prime is 2041988411. The next prime is 2041988437. The reversal of 2041988418 is 8148891402.

It can be written as a sum of positive squares in only one way, i.e., 1020994209 + 1020994209 = 31953^2 + 31953^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=31953.

It is a super-2 number, since 2×2041988418² = 8339433398492285448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2041988411) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 186393 + ... + 197043.

Almost surely, 2^2041988418 is an apocalyptic number.

2041988418 is an abundant number, since it is smaller than the sum of its proper divisors (2382735249).

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

2041988418 is an frugal number, since it uses more digits than its factorization.

2041988418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21310 (or 10656 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 2041988418 is about 45188.3659585075. The cubic root of 2041988418 is about 1268.6770728287.

The spelling of 2041988418 in words is "two billion, forty-one million, nine hundred eighty-eight thousand, four hundred eighteen".