1450643656340 has 24 divisors (see below), whose sum is σ = 3046748094432. Its totient is φ = 580181954720.

The previous prime is 1450643656339. The next prime is 1450643656349. The reversal of 1450643656340 is 436563460541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450643656349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561574 + ... + 4869213.

It is an arithmetic number, because the mean of its divisors is an integer number (126947837268).

Almost surely, 2^{1450643656340} is an apocalyptic number.

1450643656340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450643656340 is an abundant number, since it is smaller than the sum of its proper divisors (1596104438092).

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

1450643656340 is a wasteful number, since it uses less digits than its factorization.

1450643656340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9438487 (or 9438485 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 1450643656340 in words is "one trillion, four hundred fifty billion, six hundred forty-three million, six hundred fifty-six thousand, three hundred forty".