1255440450032 has 20 divisors (see below), whose sum is σ = 2465736639600. Its totient is φ = 619121317248.

The previous prime is 1255440450007. The next prime is 1255440450037. The reversal of 1255440450032 is 2300540445521.

It is a super-2 number, since 2×1255440450032² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1255440449974 and 1255440450001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255440450037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537430532 + ... + 537432867.

It is an arithmetic number, because the mean of its divisors is an integer number (123286831980).

Almost surely, 2^{1255440450032} is an apocalyptic number.

It is an amenable number.

1255440450032 is a deficient number, since it is larger than the sum of its proper divisors (1210296189568).

1255440450032 is a wasteful number, since it uses less digits than its factorization.

1255440450032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074863480 (or 1074863474 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 1255440450032 its reverse (2300540445521), we get a palindrome (3555980895553).

The spelling of 1255440450032 in words is "one trillion, two hundred fifty-five billion, four hundred forty million, four hundred fifty thousand, thirty-two".