405416020155 has 16 divisors (see below), whose sum is σ = 676868486400. Its totient is φ = 206820926048.

The previous prime is 405416020147. The next prime is 405416020159. The reversal of 405416020155 is 551020614504.

It is not a de Polignac number, because 405416020155 - 2³ = 405416020147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (405416020159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587559105 + ... + 587559794.

It is an arithmetic number, because the mean of its divisors is an integer number (42304280400).

Almost surely, 2^405416020155 is an apocalyptic number.

405416020155 is a deficient number, since it is larger than the sum of its proper divisors (271452466245).

405416020155 is a wasteful number, since it uses less digits than its factorization.

405416020155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175118930.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 405416020155 its reverse (551020614504), we get a palindrome (956436634659).

The spelling of 405416020155 in words is "four hundred five billion, four hundred sixteen million, twenty thousand, one hundred fifty-five".