405425355545 has 32 divisors (see below), whose sum is σ = 559561616640. Its totient is φ = 276233045760.

The previous prime is 405425355541. The next prime is 405425355547. The reversal of 405425355545 is 545553524504.

It is not a de Polignac number, because 405425355545 - 2² = 405425355541 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 405425355545.

It is not an unprimeable number, because it can be changed into a prime (405425355541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10522526 + ... + 10560984.

It is an arithmetic number, because the mean of its divisors is an integer number (17486300520).

Almost surely, 2^405425355545 is an apocalyptic number.

It is an amenable number.

405425355545 is a deficient number, since it is larger than the sum of its proper divisors (154136261095).

405425355545 is a wasteful number, since it uses less digits than its factorization.

405425355545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40385.

The product of its (nonzero) digits is 6000000, while the sum is 47.

The spelling of 405425355545 in words is "four hundred five billion, four hundred twenty-five million, three hundred fifty-five thousand, five hundred forty-five".