405613776172 has 48 divisors (see below), whose sum is σ = 781852667904. Its totient is φ = 182587104000.

The previous prime is 405613776149. The next prime is 405613776193. The reversal of 405613776172 is 271677316504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6087397 + ... + 6153667.

It is an arithmetic number, because the mean of its divisors is an integer number (16288597248).

Almost surely, 2^405613776172 is an apocalyptic number.

It is an amenable number.

405613776172 is a deficient number, since it is larger than the sum of its proper divisors (376238891732).

405613776172 is a wasteful number, since it uses less digits than its factorization.

405613776172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67630 (or 67628 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 405613776172 in words is "four hundred five billion, six hundred thirteen million, seven hundred seventy-six thousand, one hundred seventy-two".