4056548040 has 80 divisors (see below), whose sum is σ = 13634519580. Its totient is φ = 1081745280.

The previous prime is 4056548029. The next prime is 4056548053. The reversal of 4056548040 is 408456504.

It can be written as a sum of positive squares in 2 ways, for example, as 3849706116 + 206841924 = 62046^2 + 14382^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4056547986 and 4056548004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 622771 + ... + 629250.

Almost surely, 2^4056548040 is an apocalyptic number.

4056548040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4056548040 is an abundant number, since it is smaller than the sum of its proper divisors (9577971540).

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

4056548040 is a wasteful number, since it uses less digits than its factorization.

4056548040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252044 (or 1252031 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 4056548040 is about 63691.0357899760. The cubic root of 4056548040 is about 1594.8464444043.

The spelling of 4056548040 in words is "four billion, fifty-six million, five hundred forty-eight thousand, forty".