2056140406 has 32 divisors (see below), whose sum is σ = 3239466048. Its totient is φ = 977832960.

The previous prime is 2056140377. The next prime is 2056140409. The reversal of 2056140406 is 6040416502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056140409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 724366 + ... + 727198.

It is an arithmetic number, because the mean of its divisors is an integer number (101233314).

Almost surely, 2^2056140406 is an apocalyptic number.

2056140406 is a deficient number, since it is larger than the sum of its proper divisors (1183325642).

2056140406 is a wasteful number, since it uses less digits than its factorization.

2056140406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2056140406 is about 45344.6844293794. The cubic root of 2056140406 is about 1271.6011808735.

Adding to 2056140406 its reverse (6040416502), we get a palindrome (8096556908).

The spelling of 2056140406 in words is "two billion, fifty-six million, one hundred forty thousand, four hundred six".