2040505554 has 8 divisors (see below), whose sum is σ = 4081011120. Its totient is φ = 680168516.

The previous prime is 2040505553. The next prime is 2040505567. The reversal of 2040505554 is 4555050402.

It is a sphenic number, since it is the product of 3 distinct primes.

2040505554 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2040505553) 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, 170042124 + ... + 170042135.

It is an arithmetic number, because the mean of its divisors is an integer number (510126390).

Almost surely, 2^2040505554 is an apocalyptic number.

2040505554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040505554 is a wasteful number, since it uses less digits than its factorization.

2040505554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340084264.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 2040505554 is about 45171.9553926991. The cubic root of 2040505554 is about 1268.3698998281.

Adding to 2040505554 its reverse (4555050402), we get a palindrome (6595555956).

The spelling of 2040505554 in words is "two billion, forty million, five hundred five thousand, five hundred fifty-four".