40206446556312 has 32 divisors (see below), whose sum is σ = 101438282602800. Its totient is φ = 13279193357184.

The previous prime is 40206446556257. The next prime is 40206446556317. The reversal of 40206446556312 is 21365564460204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206446556317) 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, 7684715763 + ... + 7684720994.

Almost surely, 2^{40206446556312} is an apocalyptic number.

It is an amenable number.

40206446556312 is an abundant number, since it is smaller than the sum of its proper divisors (61231836046488).

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

40206446556312 is a wasteful number, since it uses less digits than its factorization.

40206446556312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15369436875 (or 15369436871 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 40206446556312 in words is "forty trillion, two hundred six billion, four hundred forty-six million, five hundred fifty-six thousand, three hundred twelve".