1350426251550 has 192 divisors, whose sum is σ = 3548652871680. Its totient is φ = 339148656000.

The previous prime is 1350426251533. The next prime is 1350426251579. The reversal of 1350426251550 is 551526240531.

It is a junction number, because it is equal to n+sod(n) for n = 1350426251499 and 1350426251508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205509765 + ... + 205516335.

It is an arithmetic number, because the mean of its divisors is an integer number (18482567040).

Almost surely, 2^{1350426251550} is an apocalyptic number.

1350426251550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1350426251550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774326435840).

1350426251550 is an abundant number, since it is smaller than the sum of its proper divisors (2198226620130).

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

1350426251550 is a wasteful number, since it uses less digits than its factorization.

1350426251550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7519 (or 7514 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1350426251550 in words is "one trillion, three hundred fifty billion, four hundred twenty-six million, two hundred fifty-one thousand, five hundred fifty".