1380333365442 has 12 divisors (see below), whose sum is σ = 2990722291830. Its totient is φ = 460111121808.

The previous prime is 1380333365429. The next prime is 1380333365449. The reversal of 1380333365442 is 2445633330831.

1380333365442 is a `hidden beast` number, since 13 + 80 + 33 + 33 + 65 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1255943834721 + 124389530721 = 1120689^2 + 352689^2 .

It is not an unprimeable number, because it can be changed into a prime (1380333365449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38342593467 + ... + 38342593502.

Almost surely, 2^{1380333365442} is an apocalyptic number.

1380333365442 is an abundant number, since it is smaller than the sum of its proper divisors (1610388926388).

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

1380333365442 is a wasteful number, since it uses less digits than its factorization.

1380333365442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76685186977 (or 76685186974 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 1380333365442 in words is "one trillion, three hundred eighty billion, three hundred thirty-three million, three hundred sixty-five thousand, four hundred forty-two".