40212516072 has 32 divisors (see below), whose sum is σ = 104902217280. Its totient is φ = 12821381760.

The previous prime is 40212516061. The next prime is 40212516079. The reversal of 40212516072 is 27061521204.

40212516072 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 (40212516079) 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, 36423829 + ... + 36424932.

It is an arithmetic number, because the mean of its divisors is an integer number (3278194290).

Almost surely, 2^40212516072 is an apocalyptic number.

It is an amenable number.

40212516072 is an abundant number, since it is smaller than the sum of its proper divisors (64689701208).

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

40212516072 is a wasteful number, since it uses less digits than its factorization.

40212516072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72848793 (or 72848789 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 40212516072 in words is "forty billion, two hundred twelve million, five hundred sixteen thousand, seventy-two".