4380156321 has 16 divisors (see below), whose sum is σ = 6004938240. Its totient is φ = 2838270080.

The previous prime is 4380156307. The next prime is 4380156323. The reversal of 4380156321 is 1236510834.

It is a cyclic number.

It is not a de Polignac number, because 4380156321 - 2²⁶ = 4313047457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4380156323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33105 + ... + 99278.

It is an arithmetic number, because the mean of its divisors is an integer number (375308640).

Almost surely, 2^4380156321 is an apocalyptic number.

4380156321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4380156321 is a deficient number, since it is larger than the sum of its proper divisors (1624781919).

4380156321 is a wasteful number, since it uses less digits than its factorization.

4380156321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132696.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4380156321 is about 66182.7494215827. The cubic root of 4380156321 is about 1636.1754425595.

The spelling of 4380156321 in words is "four billion, three hundred eighty million, one hundred fifty-six thousand, three hundred twenty-one".