405022852543 has 16 divisors (see below), whose sum is σ = 447757709760. Its totient is φ = 364408692736.

The previous prime is 405022852471. The next prime is 405022852567. The reversal of 405022852543 is 345258220504.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 405022852543 - 2¹³ = 405022844351 is a prime.

It is a super-2 number, since 2×405022852543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405022852496 and 405022852505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405022852043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358323 + ... + 968731.

It is an arithmetic number, because the mean of its divisors is an integer number (27984856860).

Almost surely, 2^405022852543 is an apocalyptic number.

405022852543 is a deficient number, since it is larger than the sum of its proper divisors (42734857217).

405022852543 is a wasteful number, since it uses less digits than its factorization.

405022852543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612146.

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 405022852543 in words is "four hundred five billion, twenty-two million, eight hundred fifty-two thousand, five hundred forty-three".