4040928921212 has 24 divisors (see below), whose sum is σ = 7097043754752. Its totient is φ = 2013204628800.

The previous prime is 4040928921167. The next prime is 4040928921247. The reversal of 4040928921212 is 2121298290404.

It is a congruent number.

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, 6232037 + ... + 6849827.

It is an arithmetic number, because the mean of its divisors is an integer number (295710156448).

Almost surely, 2^{4040928921212} is an apocalyptic number.

It is an amenable number.

4040928921212 is a deficient number, since it is larger than the sum of its proper divisors (3056114833540).

4040928921212 is a wasteful number, since it uses less digits than its factorization.

4040928921212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623669 (or 623667 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 4040928921212 in words is "four trillion, forty billion, nine hundred twenty-eight million, nine hundred twenty-one thousand, two hundred twelve".