1451332533440 has 56 divisors (see below), whose sum is σ = 3456178631952. Its totient is φ = 580500587520.

The previous prime is 1451332533373. The next prime is 1451332533451. The reversal of 1451332533440 is 443352331541.

It is a super-2 number, since 2×1451332533440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1451332533394 and 1451332533403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6086870 + ... + 6320810.

Almost surely, 2^{1451332533440} is an apocalyptic number.

1451332533440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451332533440 is an abundant number, since it is smaller than the sum of its proper divisors (2004846098512).

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

1451332533440 is a wasteful number, since it uses less digits than its factorization.

1451332533440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253345 (or 253335 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 1451332533440 its reverse (443352331541), we get a palindrome (1894684864981).

The spelling of 1451332533440 in words is "one trillion, four hundred fifty-one billion, three hundred thirty-two million, five hundred thirty-three thousand, four hundred forty".