40079156 has 72 divisors (see below), whose sum is σ = 83241984. Its totient is φ = 16758720.

The previous prime is 40079153. The next prime is 40079167. The reversal of 40079156 is 65197004.

It is a happy number.

40079156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40079153) 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 23 ways as a sum of consecutive naturals, for example, 852725 + ... + 852771.

Almost surely, 2^40079156 is an apocalyptic number.

40079156 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40079156 is an abundant number, since it is smaller than the sum of its proper divisors (43162828).

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

40079156 is a wasteful number, since it uses less digits than its factorization.

40079156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 40079156 is about 6330.8100587524. The cubic root of 40079156 is about 342.2206321178.

The spelling of 40079156 in words is "forty million, seventy-nine thousand, one hundred fifty-six".