1451683434440 has 32 divisors (see below), whose sum is σ = 3327915802680. Its totient is φ = 569717271552.

The previous prime is 1451683434437. The next prime is 1451683434469. The reversal of 1451683434440 is 444343861541.

It can be written as a sum of positive squares in 4 ways, for example, as 1448657774404 + 3025660036 = 1203602^2 + 55006^2 .

It is a super-2 number, since 2×1451683434440² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342376049 + ... + 342380288.

Almost surely, 2^{1451683434440} is an apocalyptic number.

1451683434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1451683434440 is an abundant number, since it is smaller than the sum of its proper divisors (1876232368240).

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

1451683434440 is a wasteful number, since it uses less digits than its factorization.

1451683434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684756401 (or 684756397 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 1451683434440 in words is "one trillion, four hundred fifty-one billion, six hundred eighty-three million, four hundred thirty-four thousand, four hundred forty".