40206460436 has 24 divisors (see below), whose sum is σ = 74550427560. Its totient is φ = 18907932672.

The previous prime is 40206460391. The next prime is 40206460447. The reversal of 40206460436 is 63406460204.

It can be written as a sum of positive squares in 4 ways, for example, as 1380122500 + 38826337936 = 37150^2 + 197044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40206460396 and 40206460405.

It is a congruent number.

It is an unprimeable number.

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, 97295 + ... + 299798.

It is an arithmetic number, because the mean of its divisors is an integer number (3106267815).

Almost surely, 2^40206460436 is an apocalyptic number.

It is an amenable number.

40206460436 is a deficient number, since it is larger than the sum of its proper divisors (34343967124).

40206460436 is a wasteful number, since it uses less digits than its factorization.

40206460436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398603 (or 398601 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 40206460436 in words is "forty billion, two hundred six million, four hundred sixty thousand, four hundred thirty-six".