1453432404442 has 16 divisors (see below), whose sum is σ = 2225530766880. Its totient is φ = 711641251152.

The previous prime is 1453432404439. The next prime is 1453432404443. The reversal of 1453432404442 is 2444042343541.

It is a super-2 number, since 2×1453432404442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1453432404395 and 1453432404404.

It is not an unprimeable number, because it can be changed into a prime (1453432404443) 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, 13053192 + ... + 13164067.

It is an arithmetic number, because the mean of its divisors is an integer number (139095672930).

Almost surely, 2^{1453432404442} is an apocalyptic number.

1453432404442 is a deficient number, since it is larger than the sum of its proper divisors (772098362438).

1453432404442 is a wasteful number, since it uses less digits than its factorization.

1453432404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26217837.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 1453432404442 its reverse (2444042343541), we get a palindrome (3897474747983).

The spelling of 1453432404442 in words is "one trillion, four hundred fifty-three billion, four hundred thirty-two million, four hundred four thousand, four hundred forty-two".