405034434012 has 48 divisors (see below), whose sum is σ = 1017826195232. Its totient is φ = 124620180480.

The previous prime is 405034434001. The next prime is 405034434023. The reversal of 405034434012 is 210434430504.

It is an interprime number because it is at equal distance from previous prime (405034434001) and next prime (405034434023).

It is a super-2 number, since 2×405034434012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315488 + ... + 4408344.

Almost surely, 2^405034434012 is an apocalyptic number.

It is an amenable number.

405034434012 is an abundant number, since it is smaller than the sum of its proper divisors (612791761220).

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

405034434012 is a wasteful number, since it uses less digits than its factorization.

405034434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120838 (or 120836 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 405034434012 its reverse (210434430504), we get a palindrome (615468864516).

The spelling of 405034434012 in words is "four hundred five billion, thirty-four million, four hundred thirty-four thousand, twelve".