1387048421380 has 48 divisors (see below), whose sum is σ = 2975187591936. Its totient is φ = 542939604480.

The previous prime is 1387048421377. The next prime is 1387048421441. The reversal of 1387048421380 is 831248407831.

It is a super-2 number, since 2×1387048421380² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6958300 + ... + 7154860.

It is an arithmetic number, because the mean of its divisors is an integer number (61983074832).

Almost surely, 2^{1387048421380} is an apocalyptic number.

1387048421380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1387048421380 is an abundant number, since it is smaller than the sum of its proper divisors (1588139170556).

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

1387048421380 is a wasteful number, since it uses less digits than its factorization.

1387048421380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204124 (or 204122 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 1387048421380 in words is "one trillion, three hundred eighty-seven billion, forty-eight million, four hundred twenty-one thousand, three hundred eighty".