40143217380 has 48 divisors (see below), whose sum is σ = 128458296960. Its totient is φ = 9175592448.

The previous prime is 40143217339. The next prime is 40143217381. The reversal of 40143217380 is 8371234104.

It is a super-2 number, since 2×40143217380² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40143217381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47789125 + ... + 47789964.

It is an arithmetic number, because the mean of its divisors is an integer number (2676214520).

Almost surely, 2^40143217380 is an apocalyptic number.

It is an amenable number.

40143217380 is an abundant number, since it is smaller than the sum of its proper divisors (88315079580).

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

40143217380 is a wasteful number, since it uses less digits than its factorization.

40143217380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95579108 (or 95579106 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 40143217380 in words is "forty billion, one hundred forty-three million, two hundred seventeen thousand, three hundred eighty".