405516305436 has 96 divisors (see below), whose sum is σ = 1113052389120. Its totient is φ = 113576716800.

The previous prime is 405516305431. The next prime is 405516305461. The reversal of 405516305436 is 634503615504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405516305431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1868991 + ... + 2074646.

It is an arithmetic number, because the mean of its divisors is an integer number (11594295720).

Almost surely, 2^405516305436 is an apocalyptic number.

It is an amenable number.

405516305436 is an abundant number, since it is smaller than the sum of its proper divisors (707536083684).

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

405516305436 is a wasteful number, since it uses less digits than its factorization.

405516305436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943715 (or 3943713 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 405516305436 in words is "four hundred five billion, five hundred sixteen million, three hundred five thousand, four hundred thirty-six".