1353242005450 has 24 divisors (see below), whose sum is σ = 2518492829580. Its totient is φ = 540982243200.

The previous prime is 1353242005433. The next prime is 1353242005457. The reversal of 1353242005450 is 545002423531.

It can be written as a sum of positive squares in 6 ways, for example, as 343275294609 + 1009966710841 = 585897^2 + 1004971^2 .

It is not an unprimeable number, because it can be changed into a prime (1353242005457) 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, 7777065 + ... + 7949164.

Almost surely, 2^{1353242005450} is an apocalyptic number.

1353242005450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353242005450 is a deficient number, since it is larger than the sum of its proper divisors (1165250824130).

1353242005450 is a wasteful number, since it uses less digits than its factorization.

1353242005450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15727962 (or 15727957 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 1353242005450 its reverse (545002423531), we get a palindrome (1898244428981).

The spelling of 1353242005450 in words is "one trillion, three hundred fifty-three billion, two hundred forty-two million, five thousand, four hundred fifty".