40108621157869 has 32 divisors (see below), whose sum is σ = 44260329443328. Its totient is φ = 36042368040000.

The previous prime is 40108621157867. The next prime is 40108621157909. The reversal of 40108621157869 is 96875112680104.

It is a cyclic number.

It is not a de Polignac number, because 40108621157869 - 2¹ = 40108621157867 is a prime.

It is a super-2 number, since 2×40108621157869² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40108621157861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5127008892 + ... + 5127016714.

It is an arithmetic number, because the mean of its divisors is an integer number (1383135295104).

Almost surely, 2^{40108621157869} is an apocalyptic number.

It is an amenable number.

40108621157869 is a deficient number, since it is larger than the sum of its proper divisors (4151708285459).

40108621157869 is a wasteful number, since it uses less digits than its factorization.

40108621157869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14889.

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 40108621157869 in words is "forty trillion, one hundred eight billion, six hundred twenty-one million, one hundred fifty-seven thousand, eight hundred sixty-nine".