40191167943852 has 24 divisors (see below), whose sum is σ = 93839085988032. Its totient is φ = 13388528250000.

The previous prime is 40191167943833. The next prime is 40191167943923. The reversal of 40191167943852 is 25834976119104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065946774 + ... + 1065984477.

It is an arithmetic number, because the mean of its divisors is an integer number (3909961916168).

It is a 1-persistent number, because it is pandigital, but 2⋅40191167943852 = 80382335887704 is not.

Almost surely, 2^{40191167943852} is an apocalyptic number.

It is an amenable number.

40191167943852 is an abundant number, since it is smaller than the sum of its proper divisors (53647918044180).

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

40191167943852 is a wasteful number, since it uses less digits than its factorization.

40191167943852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131932829 (or 2131932827 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 40191167943852 in words is "forty trillion, one hundred ninety-one billion, one hundred sixty-seven million, nine hundred forty-three thousand, eight hundred fifty-two".