405211500400245 has 256 divisors, whose sum is σ = 817180213248000. Its totient is φ = 166562098053120.

The previous prime is 405211500400211. The next prime is 405211500400247. The reversal of 405211500400245 is 542004005112504.

It is a happy number.

It is not a de Polignac number, because 405211500400245 - 2¹⁰ = 405211500399221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405211500400247) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 124412494657 + ... + 124412497913.

It is an arithmetic number, because the mean of its divisors is an integer number (3192110208000).

Almost surely, 2^{405211500400245} is an apocalyptic number.

It is an amenable number.

405211500400245 is an abundant number, since it is smaller than the sum of its proper divisors (411968712847755).

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

405211500400245 is a wasteful number, since it uses less digits than its factorization.

405211500400245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 405211500400245 its reverse (542004005112504), we get a palindrome (947215505512749).

The spelling of 405211500400245 in words is "four hundred five trillion, two hundred eleven billion, five hundred million, four hundred thousand, two hundred forty-five".