1451212001440 has 48 divisors (see below), whose sum is σ = 3428566301160. Its totient is φ = 580471603200.

The previous prime is 1451212001411. The next prime is 1451212001453. The reversal of 1451212001440 is 441002121541.

It can be written as a sum of positive squares in 4 ways, for example, as 1451051523216 + 160478224 = 1204596^2 + 12668^2 .

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, 10104856 + ... + 10247464.

Almost surely, 2^{1451212001440} is an apocalyptic number.

1451212001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451212001440 is an abundant number, since it is smaller than the sum of its proper divisors (1977354299720).

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

1451212001440 is a wasteful number, since it uses less digits than its factorization.

1451212001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206225 (or 206217 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1451212001440 its reverse (441002121541), we get a palindrome (1892214122981).

The spelling of 1451212001440 in words is "one trillion, four hundred fifty-one billion, two hundred twelve million, one thousand, four hundred forty".