405134671002 has 16 divisors (see below), whose sum is σ = 810278378112. Its totient is φ = 135043384320.

The previous prime is 405134670991. The next prime is 405134671003. The reversal of 405134671002 is 200176431504.

It is not an unprimeable number, because it can be changed into a prime (405134671003) 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, 299802 + ... + 948762.

It is an arithmetic number, because the mean of its divisors is an integer number (50642398632).

Almost surely, 2^405134671002 is an apocalyptic number.

405134671002 is an abundant number, since it is smaller than the sum of its proper divisors (405143707110).

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

405134671002 is a wasteful number, since it uses less digits than its factorization.

405134671002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753013.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 405134671002 in words is "four hundred five billion, one hundred thirty-four million, six hundred seventy-one thousand, two".