405045220524 has 24 divisors (see below), whose sum is σ = 1080120588288. Its totient is φ = 115727205840.

The previous prime is 405045220523. The next prime is 405045220577. The reversal of 405045220524 is 425022540504.

It is not an unprimeable number, because it can be changed into a prime (405045220523) 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, 2410983372 + ... + 2410983539.

It is an arithmetic number, because the mean of its divisors is an integer number (45005024512).

Almost surely, 2^405045220524 is an apocalyptic number.

It is an amenable number.

405045220524 is an abundant number, since it is smaller than the sum of its proper divisors (675075367764).

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

405045220524 is a wasteful number, since it uses less digits than its factorization.

405045220524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821966925 (or 4821966923 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The spelling of 405045220524 in words is "four hundred five billion, forty-five million, two hundred twenty thousand, five hundred twenty-four".