1326525442064 has 10 divisors (see below), whose sum is σ = 2570143044030. Its totient is φ = 663262721024.

The previous prime is 1326525442027. The next prime is 1326525442091. The reversal of 1326525442064 is 4602445256231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1278165913600 + 48359528464 = 1130560^2 + 219908^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41453920049 + ... + 41453920080.

It is an arithmetic number, because the mean of its divisors is an integer number (257014304403).

Almost surely, 2^{1326525442064} is an apocalyptic number.

It is an amenable number.

1326525442064 is a deficient number, since it is larger than the sum of its proper divisors (1243617601966).

1326525442064 is an equidigital number, since it uses as much as digits as its factorization.

1326525442064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82907840137 (or 82907840131 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 1326525442064 in words is "one trillion, three hundred twenty-six billion, five hundred twenty-five million, four hundred forty-two thousand, sixty-four".