1340555154442 has 24 divisors (see below), whose sum is σ = 2339179928064. Its totient is φ = 574511854392.

The previous prime is 1340555154431. The next prime is 1340555154509. The reversal of 1340555154442 is 2444515550431.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6048183 + ... + 6265909.

It is an arithmetic number, because the mean of its divisors is an integer number (97465830336).

Almost surely, 2^{1340555154442} is an apocalyptic number.

1340555154442 is a deficient number, since it is larger than the sum of its proper divisors (998624773622).

1340555154442 is a wasteful number, since it uses less digits than its factorization.

1340555154442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280570 (or 280563 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 1340555154442 in words is "one trillion, three hundred forty billion, five hundred fifty-five million, one hundred fifty-four thousand, four hundred forty-two".