4082156720 has 40 divisors (see below), whose sum is σ = 9747535344. Its totient is φ = 1588730112.

The previous prime is 4082156719. The next prime is 4082156737. The reversal of 4082156720 is 276512804.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×4082156720³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686594 + ... + 692513.

Almost surely, 2^4082156720 is an apocalyptic number.

4082156720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4082156720 is an abundant number, since it is smaller than the sum of its proper divisors (5665378624).

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

4082156720 is a wasteful number, since it uses less digits than its factorization.

4082156720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379157 (or 1379151 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 4082156720 is about 63891.7578408984. The cubic root of 4082156720 is about 1598.1954551096.

The spelling of 4082156720 in words is "four billion, eighty-two million, one hundred fifty-six thousand, seven hundred twenty".