2055064040 has 64 divisors (see below), whose sum is σ = 4919434560. Its totient is φ = 769950720.

The previous prime is 2055064021. The next prime is 2055064079. The reversal of 2055064040 is 404605502.

It is a super-2 number, since 2×2055064040² = 8446576417002243200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136319 + ... + 150641.

It is an arithmetic number, because the mean of its divisors is an integer number (76866165).

Almost surely, 2^2055064040 is an apocalyptic number.

2055064040 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 2055064040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2459717280).

2055064040 is an abundant number, since it is smaller than the sum of its proper divisors (2864370520).

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

2055064040 is a wasteful number, since it uses less digits than its factorization.

2055064040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14562 (or 14558 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2055064040 is about 45332.8141636938. The cubic root of 2055064040 is about 1271.3792525822.

Adding to 2055064040 its reverse (404605502), we get a palindrome (2459669542).

The spelling of 2055064040 in words is "two billion, fifty-five million, sixty-four thousand, forty".