40163630381746 has 4 divisors (see below), whose sum is σ = 60245445572622. Its totient is φ = 20081815190872.

The previous prime is 40163630381729. The next prime is 40163630381783. The reversal of 40163630381746 is 64718303636104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39507019982521 + 656610399225 = 6285461^2 + 810315^2 .

It is a super-2 number, since 2×40163630381746² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40163630381693 and 40163630381702.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10040907595435 + ... + 10040907595438.

Almost surely, 2^{40163630381746} is an apocalyptic number.

40163630381746 is a deficient number, since it is larger than the sum of its proper divisors (20081815190876).

40163630381746 is a wasteful number, since it uses less digits than its factorization.

40163630381746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081815190875.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 40163630381746 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty million, three hundred eighty-one thousand, seven hundred forty-six".