40197671552412 has 72 divisors (see below), whose sum is σ = 110849931869040. Its totient is φ = 12180913989120.

The previous prime is 40197671552383. The next prime is 40197671552419. The reversal of 40197671552412 is 21425517679104.

40197671552412 is a `hidden beast` number, since 4 + 0 + 1 + 9 + 7 + 6 + 71 + 552 + 4 + 12 = 666.

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 23 ways as a sum of consecutive naturals, for example, 24466414 + ... + 26057642.

It is an arithmetic number, because the mean of its divisors is an integer number (1539582387070).

Almost surely, 2^{40197671552412} is an apocalyptic number.

It is an amenable number.

40197671552412 is an abundant number, since it is smaller than the sum of its proper divisors (70652260316628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40197671552412 is a wasteful number, since it uses less digits than its factorization.

40197671552412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655043 (or 1655038 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 40197671552412 in words is "forty trillion, one hundred ninety-seven billion, six hundred seventy-one million, five hundred fifty-two thousand, four hundred twelve".