405226907344 has 40 divisors (see below), whose sum is σ = 897328960128. Its totient is φ = 173660776320.

The previous prime is 405226907339. The next prime is 405226907359. The reversal of 405226907344 is 443709622504.

It is a super-2 number, since 2×405226907344² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 405226907294 and 405226907303.

It is a congruent number.

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, 2858589 + ... + 2996995.

Almost surely, 2^405226907344 is an apocalyptic number.

It is an amenable number.

405226907344 is an abundant number, since it is smaller than the sum of its proper divisors (492102052784).

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

405226907344 is a wasteful number, since it uses less digits than its factorization.

405226907344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164563 (or 164557 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 405226907344 in words is "four hundred five billion, two hundred twenty-six million, nine hundred seven thousand, three hundred forty-four".