40246430121663 has 8 divisors (see below), whose sum is σ = 53958381452976. Its totient is φ = 26682716102400.

The previous prime is 40246430121659. The next prime is 40246430121701. The reversal of 40246430121663 is 36612103464204.

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

It is not a de Polignac number, because 40246430121663 - 2² = 40246430121659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40246430121613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37059327378 + ... + 37059328463.

It is an arithmetic number, because the mean of its divisors is an integer number (6744797681622).

Almost surely, 2^{40246430121663} is an apocalyptic number.

40246430121663 is a deficient number, since it is larger than the sum of its proper divisors (13711951331313).

40246430121663 is a wasteful number, since it uses less digits than its factorization.

40246430121663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74118656025.

The product of its (nonzero) digits is 497664, while the sum is 42.

Adding to 40246430121663 its reverse (36612103464204), we get a palindrome (76858533585867).

The spelling of 40246430121663 in words is "forty trillion, two hundred forty-six billion, four hundred thirty million, one hundred twenty-one thousand, six hundred sixty-three".