40163630380557 has 4 divisors (see below), whose sum is σ = 53551507174080. Its totient is φ = 26775753587036.

The previous prime is 40163630380501. The next prime is 40163630380567. The reversal of 40163630380557 is 75508303636104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40163630380557 - 2⁸ = 40163630380301 is a prime.

It is a super-2 number, since 2×40163630380557² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163630380567) 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, 6693938396757 + ... + 6693938396762.

It is an arithmetic number, because the mean of its divisors is an integer number (13387876793520).

Almost surely, 2^{40163630380557} is an apocalyptic number.

It is an amenable number.

40163630380557 is a deficient number, since it is larger than the sum of its proper divisors (13387876793523).

40163630380557 is a wasteful number, since it uses less digits than its factorization.

40163630380557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13387876793522.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 40163630380557 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty million, three hundred eighty thousand, five hundred fifty-seven".