1383298329520 has 40 divisors (see below), whose sum is σ = 3216408440256. Its totient is φ = 553278071808.

The previous prime is 1383298329449. The next prime is 1383298329547. The reversal of 1383298329520 is 259238923831.

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

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, 446329 + ... + 1722151.

Almost surely, 2^{1383298329520} is an apocalyptic number.

1383298329520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1383298329520 is an abundant number, since it is smaller than the sum of its proper divisors (1833110110736).

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

1383298329520 is a wasteful number, since it uses less digits than its factorization.

1383298329520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289389 (or 1289383 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 1383298329520 in words is "one trillion, three hundred eighty-three billion, two hundred ninety-eight million, three hundred twenty-nine thousand, five hundred twenty".