4056155432 has 64 divisors (see below), whose sum is σ = 9089280000. Its totient is φ = 1659176640.

The previous prime is 4056155417. The next prime is 4056155437. The reversal of 4056155432 is 2345516504.

It is a junction number, because it is equal to n+sod(n) for n = 4056155392 and 4056155401.

It is not an unprimeable number, because it can be changed into a prime (4056155437) 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, 639557 + ... + 645867.

It is an arithmetic number, because the mean of its divisors is an integer number (142020000).

Almost surely, 2^4056155432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4056155432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4544640000).

4056155432 is an abundant number, since it is smaller than the sum of its proper divisors (5033124568).

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

4056155432 is a wasteful number, since it uses less digits than its factorization.

4056155432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 4056155432 is about 63687.9535862160. The cubic root of 4056155432 is about 1594.7949909954.

The spelling of 4056155432 in words is "four billion, fifty-six million, one hundred fifty-five thousand, four hundred thirty-two".