1346243550640 has 40 divisors (see below), whose sum is σ = 3130192936080. Its totient is φ = 538467023616.

The previous prime is 1346243550593. The next prime is 1346243550679. The reversal of 1346243550640 is 460553426431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1346243550640³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978802 + ... + 1910638.

It is an arithmetic number, because the mean of its divisors is an integer number (78254823402).

Almost surely, 2^{1346243550640} is an apocalyptic number.

1346243550640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346243550640 is an abundant number, since it is smaller than the sum of its proper divisors (1783949385440).

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

1346243550640 is a wasteful number, since it uses less digits than its factorization.

1346243550640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949909 (or 949903 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 1346243550640 in words is "one trillion, three hundred forty-six billion, two hundred forty-three million, five hundred fifty thousand, six hundred forty".