40005275796 has 18 divisors (see below), whose sum is σ = 101124447242. Its totient is φ = 13335091920.

The previous prime is 40005275771. The next prime is 40005275797. The reversal of 40005275796 is 69757250004.

It can be written as a sum of positive squares in only one way, i.e., 34976480400 + 5028795396 = 187020^2 + 70914^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40005275797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555628795 + ... + 555628866.

Almost surely, 2^40005275796 is an apocalyptic number.

It is an amenable number.

40005275796 is an abundant number, since it is smaller than the sum of its proper divisors (61119171446).

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

40005275796 is a wasteful number, since it uses less digits than its factorization.

40005275796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111257671 (or 1111257666 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 40005275796 in words is "forty billion, five million, two hundred seventy-five thousand, seven hundred ninety-six".