1838011465950 has 192 divisors, whose sum is σ = 5258267449344. Its totient is φ = 420687360000.

The previous prime is 1838011465921. The next prime is 1838011466051. The reversal of 1838011465950 is 595641108381.

It is a super-2 number, since 2×1838011465950² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1838011465893 and 1838011465902.

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, 1658934 + ... + 2535366.

It is an arithmetic number, because the mean of its divisors is an integer number (27386809632).

Almost surely, 2^{1838011465950} is an apocalyptic number.

1838011465950 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 1838011465950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629133724672).

1838011465950 is an abundant number, since it is smaller than the sum of its proper divisors (3420255983394).

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

1838011465950 is a wasteful number, since it uses less digits than its factorization.

1838011465950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876531 (or 876526 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 1838011465950 in words is "one trillion, eight hundred thirty-eight billion, eleven million, four hundred sixty-five thousand, nine hundred fifty".