40354307636 has 24 divisors (see below), whose sum is σ = 70965741000. Its totient is φ = 20078475264.

The previous prime is 40354307573. The next prime is 40354307639. The reversal of 40354307636 is 63670345304.

It can be written as a sum of positive squares in 4 ways, for example, as 35250062500 + 5104245136 = 187750^2 + 71444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40354307593 and 40354307602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40354307639) 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, 1902980 + ... + 1924068.

It is an arithmetic number, because the mean of its divisors is an integer number (2956905875).

Almost surely, 2^40354307636 is an apocalyptic number.

It is an amenable number.

40354307636 is a deficient number, since it is larger than the sum of its proper divisors (30611433364).

40354307636 is a wasteful number, since it uses less digits than its factorization.

40354307636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23411 (or 23409 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 41.

The spelling of 40354307636 in words is "forty billion, three hundred fifty-four million, three hundred seven thousand, six hundred thirty-six".