1339530426400 has 144 divisors (see below), whose sum is σ = 3315358365984. Its totient is φ = 528424058880.

The previous prime is 1339530426397. The next prime is 1339530426401. The reversal of 1339530426400 is 46240359331.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1339530426401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38295319 + ... + 38330281.

It is an arithmetic number, because the mean of its divisors is an integer number (23023321986).

Almost surely, 2^{1339530426400} is an apocalyptic number.

1339530426400 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 1339530426400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657679182992).

1339530426400 is an abundant number, since it is smaller than the sum of its proper divisors (1975827939584).

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

1339530426400 is a wasteful number, since it uses less digits than its factorization.

1339530426400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35643 (or 35630 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 1339530426400 in words is "one trillion, three hundred thirty-nine billion, five hundred thirty million, four hundred twenty-six thousand, four hundred".