405736420574422 has 64 divisors (see below), whose sum is σ = 705355072354944. Its totient is φ = 171452825026560.

The previous prime is 405736420574399. The next prime is 405736420574489. The reversal of 405736420574422 is 224475024637504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362784348 + ... + 363901024.

It is an arithmetic number, because the mean of its divisors is an integer number (11021173005546).

Almost surely, 2^{405736420574422} is an apocalyptic number.

405736420574422 is a deficient number, since it is larger than the sum of its proper divisors (299618651780522).

405736420574422 is a wasteful number, since it uses less digits than its factorization.

405736420574422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117993.

The product of its (nonzero) digits is 45158400, while the sum is 55.

The spelling of 405736420574422 in words is "four hundred five trillion, seven hundred thirty-six billion, four hundred twenty million, five hundred seventy-four thousand, four hundred twenty-two".