405148046886 has 96 divisors (see below), whose sum is σ = 1012632888960. Its totient is φ = 119916886320.

The previous prime is 405148046857. The next prime is 405148046887. The reversal of 405148046886 is 688640841504.

It is a happy number.

405148046886 is a `hidden beast` number, since 4 + 0 + 514 + 8 + 0 + 46 + 8 + 86 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405148046887) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 440040 + ... + 1001963.

It is an arithmetic number, because the mean of its divisors is an integer number (10548259260).

Almost surely, 2^405148046886 is an apocalyptic number.

405148046886 is an abundant number, since it is smaller than the sum of its proper divisors (607484842074).

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

405148046886 is a wasteful number, since it uses less digits than its factorization.

405148046886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442079 (or 1442062 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 405148046886 in words is "four hundred five billion, one hundred forty-eight million, forty-six thousand, eight hundred eighty-six".