405544042983 has 8 divisors (see below), whose sum is σ = 540730324096. Its totient is φ = 270360228600.

The previous prime is 405544042927. The next prime is 405544043029. The reversal of 405544042983 is 389240445504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405544042983 - 2⁶ = 405544042919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405544042583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191113 + ... + 920658.

It is an arithmetic number, because the mean of its divisors is an integer number (67591290512).

Almost surely, 2^405544042983 is an apocalyptic number.

405544042983 is a deficient number, since it is larger than the sum of its proper divisors (135186281113).

405544042983 is a wasteful number, since it uses less digits than its factorization.

405544042983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233365.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 405544042983 in words is "four hundred five billion, five hundred forty-four million, forty-two thousand, nine hundred eighty-three".