4079972136 has 32 divisors (see below), whose sum is σ = 10252791360. Its totient is φ = 1352942592.

The previous prime is 4079972131. The next prime is 4079972147. The reversal of 4079972136 is 6312799704.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4079972131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435780 + ... + 445043.

It is an arithmetic number, because the mean of its divisors is an integer number (320399730).

Almost surely, 2^4079972136 is an apocalyptic number.

It is an amenable number.

4079972136 is an abundant number, since it is smaller than the sum of its proper divisors (6172819224).

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

4079972136 is a wasteful number, since it uses less digits than its factorization.

4079972136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881025 (or 881021 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 4079972136 is about 63874.6595763923. The cubic root of 4079972136 is about 1597.9103104784.

The spelling of 4079972136 in words is "four billion, seventy-nine million, nine hundred seventy-two thousand, one hundred thirty-six".