406564515452 has 48 divisors (see below), whose sum is σ = 723955764000. Its totient is φ = 199742588928.

The previous prime is 406564515437. The next prime is 406564515473. The reversal of 406564515452 is 254515465604.

It is a junction number, because it is equal to n+sod(n) for n = 406564515397 and 406564515406.

It is a congruent number.

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, 95145188 + ... + 95149460.

It is an arithmetic number, because the mean of its divisors is an integer number (15082411750).

Almost surely, 2^406564515452 is an apocalyptic number.

It is an amenable number.

406564515452 is a deficient number, since it is larger than the sum of its proper divisors (317391248548).

406564515452 is a wasteful number, since it uses less digits than its factorization.

406564515452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5500 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 47.

The spelling of 406564515452 in words is "four hundred six billion, five hundred sixty-four million, five hundred fifteen thousand, four hundred fifty-two".