40121673564652 has 48 divisors (see below), whose sum is σ = 72904418112960. Its totient is φ = 19297005057792.

The previous prime is 40121673564649. The next prime is 40121673564683. The reversal of 40121673564652 is 25646537612104.

40121673564652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40121673564652² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40121673564652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309141358 + ... + 309271114.

It is an arithmetic number, because the mean of its divisors is an integer number (1518842044020).

Almost surely, 2^{40121673564652} is an apocalyptic number.

It is an amenable number.

40121673564652 is a deficient number, since it is larger than the sum of its proper divisors (32782744548308).

40121673564652 is a wasteful number, since it uses less digits than its factorization.

40121673564652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139690 (or 139688 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 40121673564652 in words is "forty trillion, one hundred twenty-one billion, six hundred seventy-three million, five hundred sixty-four thousand, six hundred fifty-two".