405525445950 has 24 divisors (see below), whose sum is σ = 1005703106328. Its totient is φ = 108140118880.

The previous prime is 405525445939. The next prime is 405525445957. The reversal of 405525445950 is 59544525504.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 405525445950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405525445957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351751337 + ... + 1351751636.

It is an arithmetic number, because the mean of its divisors is an integer number (41904296097).

Almost surely, 2^405525445950 is an apocalyptic number.

405525445950 is an abundant number, since it is smaller than the sum of its proper divisors (600177660378).

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

405525445950 is a wasteful number, since it uses less digits than its factorization.

405525445950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703502988 (or 2703502983 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 405525445950 in words is "four hundred five billion, five hundred twenty-five million, four hundred forty-five thousand, nine hundred fifty".