40197671552413 has 4 divisors (see below), whose sum is σ = 40198118248480. Its totient is φ = 40197224856348.

The previous prime is 40197671552383. The next prime is 40197671552419. The reversal of 40197671552413 is 31425517679104.

It is a happy number.

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 40197671552413 - 2⁴⁵ = 5013299463581 is a prime.

It is a super-2 number, since 2×40197671552413² (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 (40197671552419) 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, 223213023 + ... + 223393036.

It is an arithmetic number, because the mean of its divisors is an integer number (10049529562120).

Almost surely, 2^{40197671552413} is an apocalyptic number.

It is an amenable number.

40197671552413 is a deficient number, since it is larger than the sum of its proper divisors (446696067).

40197671552413 is an equidigital number, since it uses as much as digits as its factorization.

40197671552413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446696066.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 40197671552413 in words is "forty trillion, one hundred ninety-seven billion, six hundred seventy-one million, five hundred fifty-two thousand, four hundred thirteen".