2056019040 has 144 divisors (see below), whose sum is σ = 7081074000. Its totient is φ = 543200256.

The previous prime is 2056019029. The next prime is 2056019041. The reversal of 2056019040 is 409106502.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 2056018995 and 2056019013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056019041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150411 + ... + 163509.

It is an arithmetic number, because the mean of its divisors is an integer number (49174125).

Almost surely, 2^2056019040 is an apocalyptic number.

2056019040 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 2056019040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3540537000).

2056019040 is an abundant number, since it is smaller than the sum of its proper divisors (5025054960).

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

2056019040 is a wasteful number, since it uses less digits than its factorization.

2056019040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13229 (or 13218 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2056019040 is about 45343.3461491320. The cubic root of 2056019040 is about 1271.5761611512.

The spelling of 2056019040 in words is "two billion, fifty-six million, nineteen thousand, forty".