405541031412 has 36 divisors (see below), whose sum is σ = 1040106615968. Its totient is φ = 122891221200.

The previous prime is 405541031407. The next prime is 405541031431. The reversal of 405541031412 is 214130145504.

It is a self number, because there is not a number n which added to its sum of digits gives 405541031412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139647664 + ... + 139650567.

Almost surely, 2^405541031412 is an apocalyptic number.

It is an amenable number.

405541031412 is an abundant number, since it is smaller than the sum of its proper divisors (634565584556).

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

405541031412 is a wasteful number, since it uses less digits than its factorization.

405541031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279298260 (or 279298247 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 405541031412 its reverse (214130145504), we get a palindrome (619671176916).

The spelling of 405541031412 in words is "four hundred five billion, five hundred forty-one million, thirty-one thousand, four hundred twelve".