405116345236 has 6 divisors (see below), whose sum is σ = 708953604170. Its totient is φ = 202558172616.

The previous prime is 405116345219. The next prime is 405116345251. The reversal of 405116345236 is 632543611504.

It can be written as a sum of positive squares in only one way, i.e., 401816532100 + 3299813136 = 633890^2 + 57444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50639543151 + ... + 50639543158.

Almost surely, 2^405116345236 is an apocalyptic number.

It is an amenable number.

405116345236 is a deficient number, since it is larger than the sum of its proper divisors (303837258934).

405116345236 is a wasteful number, since it uses less digits than its factorization.

405116345236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101279086313 (or 101279086311 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 405116345236 in words is "four hundred five billion, one hundred sixteen million, three hundred forty-five thousand, two hundred thirty-six".