40636736554 has 8 divisors (see below), whose sum is σ = 60984151200. Its totient is φ = 20308686156.

The previous prime is 40636736537. The next prime is 40636736557. The reversal of 40636736554 is 45563763604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40636736498 and 40636736507.

It is not an unprimeable number, because it can be changed into a prime (40636736557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835814 + ... + 4844209.

It is an arithmetic number, because the mean of its divisors is an integer number (7623018900).

Almost surely, 2^40636736554 is an apocalyptic number.

40636736554 is a deficient number, since it is larger than the sum of its proper divisors (20347414646).

40636736554 is a wasteful number, since it uses less digits than its factorization.

40636736554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682124.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 40636736554 in words is "forty billion, six hundred thirty-six million, seven hundred thirty-six thousand, five hundred fifty-four".