264406413531550 has 24 divisors (see below), whose sum is σ = 491800162475952. Its totient is φ = 105761655024000.

The previous prime is 264406413531503. The next prime is 264406413531551. The reversal of 264406413531550 is 55135314604462.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 264406413531494 and 264406413531503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264406413531551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16877931 + ... + 28525030.

It is an arithmetic number, because the mean of its divisors is an integer number (20491673436498).

Almost surely, 2^{264406413531550} is an apocalyptic number.

264406413531550 is a deficient number, since it is larger than the sum of its proper divisors (227393748944402).

264406413531550 is a wasteful number, since it uses less digits than its factorization.

264406413531550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45519444 (or 45519439 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 264406413531550 in words is "two hundred sixty-four trillion, four hundred six billion, four hundred thirteen million, five hundred thirty-one thousand, five hundred fifty".