405464261772 has 24 divisors (see below), whose sum is σ = 978706839600. Its totient is φ = 130494245056.

The previous prime is 405464261749. The next prime is 405464261773. The reversal of 405464261772 is 277162464504.

It is not an unprimeable number, because it can be changed into a prime (405464261773) 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, 582563247 + ... + 582563942.

It is an arithmetic number, because the mean of its divisors is an integer number (40779451650).

Almost surely, 2^405464261772 is an apocalyptic number.

It is an amenable number.

405464261772 is an abundant number, since it is smaller than the sum of its proper divisors (573242577828).

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

405464261772 is a wasteful number, since it uses less digits than its factorization.

405464261772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165127225 (or 1165127223 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 405464261772 in words is "four hundred five billion, four hundred sixty-four million, two hundred sixty-one thousand, seven hundred seventy-two".