4081402156 has 24 divisors (see below), whose sum is σ = 7697171664. Its totient is φ = 1882426560.

The previous prime is 4081402133. The next prime is 4081402159. The reversal of 4081402156 is 6512041804.

It is a super-3 number, since 3×4081402156³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4081402159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51351 + ... + 103921.

It is an arithmetic number, because the mean of its divisors is an integer number (320715486).

Almost surely, 2^4081402156 is an apocalyptic number.

It is an amenable number.

4081402156 is a deficient number, since it is larger than the sum of its proper divisors (3615769508).

4081402156 is a wasteful number, since it uses less digits than its factorization.

4081402156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081 (or 54079 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 4081402156 is about 63885.8525496843. The cubic root of 4081402156 is about 1598.0969765234.

The spelling of 4081402156 in words is "four billion, eighty-one million, four hundred two thousand, one hundred fifty-six".