405214522052 has 24 divisors (see below), whose sum is σ = 790356500640. Its totient is φ = 180652913280.

The previous prime is 405214522039. The next prime is 405214522061. The reversal of 405214522052 is 250225412504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156815474 + ... + 156818057.

It is an arithmetic number, because the mean of its divisors is an integer number (32931520860).

Almost surely, 2^405214522052 is an apocalyptic number.

It is an amenable number.

405214522052 is a deficient number, since it is larger than the sum of its proper divisors (385141978588).

405214522052 is a wasteful number, since it uses less digits than its factorization.

405214522052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313633571 (or 313633569 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 405214522052 its reverse (250225412504), we get a palindrome (655439934556).

The spelling of 405214522052 in words is "four hundred five billion, two hundred fourteen million, five hundred twenty-two thousand, fifty-two".