40543627812 has 24 divisors (see below), whose sum is σ = 99580840800. Its totient is φ = 12803250816.

The previous prime is 40543627783. The next prime is 40543627843. The reversal of 40543627812 is 21872634504.

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, 88911237 + ... + 88911692.

It is an arithmetic number, because the mean of its divisors is an integer number (4149201700).

Almost surely, 2^40543627812 is an apocalyptic number.

It is an amenable number.

40543627812 is an abundant number, since it is smaller than the sum of its proper divisors (59037212988).

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

40543627812 is a wasteful number, since it uses less digits than its factorization.

40543627812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177822955 (or 177822953 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 40543627812 in words is "forty billion, five hundred forty-three million, six hundred twenty-seven thousand, eight hundred twelve".