40212686624 has 48 divisors (see below), whose sum is σ = 86384110176. Its totient is φ = 18274636800.

The previous prime is 40212686621. The next prime is 40212686719. The reversal of 40212686624 is 42668621204.

40212686624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40212686621) 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, 2272499 + ... + 2290125.

It is an arithmetic number, because the mean of its divisors is an integer number (1799668962).

Almost surely, 2^40212686624 is an apocalyptic number.

40212686624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40212686624 is an abundant number, since it is smaller than the sum of its proper divisors (46171423552).

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

40212686624 is a wasteful number, since it uses less digits than its factorization.

40212686624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24129 (or 24121 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 40212686624 in words is "forty billion, two hundred twelve million, six hundred eighty-six thousand, six hundred twenty-four".