536406315522 has 128 divisors (see below), whose sum is σ = 1353737594880. Its totient is φ = 137645775360.

The previous prime is 536406315469. The next prime is 536406315551. The reversal of 536406315522 is 225513604635.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17458878 + ... + 17489574.

It is an arithmetic number, because the mean of its divisors is an integer number (10576074960).

Almost surely, 2^536406315522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536406315522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676868797440).

536406315522 is an abundant number, since it is smaller than the sum of its proper divisors (817331279358).

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

536406315522 is a wasteful number, since it uses less digits than its factorization.

536406315522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 536406315522 in words is "five hundred thirty-six billion, four hundred six million, three hundred fifteen thousand, five hundred twenty-two".