1390763378500 has 96 divisors (see below), whose sum is σ = 3237401067264. Its totient is φ = 520113600000.

The previous prime is 1390763378461. The next prime is 1390763378509. The reversal of 1390763378500 is 58733670931.

It is not an unprimeable number, because it can be changed into a prime (1390763378509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 741715 + ... + 1825285.

It is an arithmetic number, because the mean of its divisors is an integer number (33722927784).

Almost surely, 2^{1390763378500} is an apocalyptic number.

1390763378500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390763378500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618700533632).

1390763378500 is an abundant number, since it is smaller than the sum of its proper divisors (1846637688764).

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

1390763378500 is a wasteful number, since it uses less digits than its factorization.

1390763378500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083758 (or 1083746 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 1390763378500 in words is "one trillion, three hundred ninety billion, seven hundred sixty-three million, three hundred seventy-eight thousand, five hundred".