405423433525 has 24 divisors (see below), whose sum is σ = 566118551808. Its totient is φ = 285342000000.

The previous prime is 405423433477. The next prime is 405423433543. The reversal of 405423433525 is 525334324504.

It is not a de Polignac number, because 405423433525 - 2³³ = 396833498933 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23769976 + ... + 23787025.

It is an arithmetic number, because the mean of its divisors is an integer number (23588272992).

Almost surely, 2^405423433525 is an apocalyptic number.

It is an amenable number.

405423433525 is a deficient number, since it is larger than the sum of its proper divisors (160695118283).

405423433525 is a wasteful number, since it uses less digits than its factorization.

405423433525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47557053 (or 47557048 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 40.

The spelling of 405423433525 in words is "four hundred five billion, four hundred twenty-three million, four hundred thirty-three thousand, five hundred twenty-five".