1994350241500 has 48 divisors (see below), whose sum is σ = 4355935889760. Its totient is φ = 797689737600.

The previous prime is 1994350241437. The next prime is 1994350241509. The reversal of 1994350241500 is 51420534991.

It is a super-2 number, since 2×1994350241500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1994350241509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8376096 + ... + 8610904.

It is an arithmetic number, because the mean of its divisors is an integer number (90748664370).

Almost surely, 2^{1994350241500} is an apocalyptic number.

1994350241500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994350241500 is an abundant number, since it is smaller than the sum of its proper divisors (2361585648260).

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

1994350241500 is a wasteful number, since it uses less digits than its factorization.

1994350241500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251815 (or 251803 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 1994350241500 in words is "one trillion, nine hundred ninety-four billion, three hundred fifty million, two hundred forty-one thousand, five hundred".