405440012410552 has 64 divisors (see below), whose sum is σ = 930026790432000. Its totient is φ = 161824661485056.

The previous prime is 405440012410523. The next prime is 405440012410553. The reversal of 405440012410552 is 255014210044504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405440012410553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3229196913 + ... + 3229322464.

It is an arithmetic number, because the mean of its divisors is an integer number (14531668600500).

Almost surely, 2^{405440012410552} is an apocalyptic number.

It is an amenable number.

405440012410552 is an abundant number, since it is smaller than the sum of its proper divisors (524586778021448).

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

405440012410552 is a wasteful number, since it uses less digits than its factorization.

405440012410552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458519468 (or 6458519464 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 37.

The spelling of 405440012410552 in words is "four hundred five trillion, four hundred forty billion, twelve million, four hundred ten thousand, five hundred fifty-two".