405422035994 has 4 divisors (see below), whose sum is σ = 608133053994. Its totient is φ = 202711017996.

The previous prime is 405422035979. The next prime is 405422036017. The reversal of 405422035994 is 499530224504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 380288055625 + 25133980369 = 616675^2 + 158537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101355508997 + ... + 101355509000.

Almost surely, 2^405422035994 is an apocalyptic number.

405422035994 is a deficient number, since it is larger than the sum of its proper divisors (202711018000).

405422035994 is a wasteful number, since it uses less digits than its factorization.

405422035994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202711017999.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 405422035994 in words is "four hundred five billion, four hundred twenty-two million, thirty-five thousand, nine hundred ninety-four".