1942358139520 has 128 divisors (see below), whose sum is σ = 4804914816000. Its totient is φ = 749941936128.

The previous prime is 1942358139461. The next prime is 1942358139559. The reversal of 1942358139520 is 259318532491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77178459 + ... + 77203621.

It is an arithmetic number, because the mean of its divisors is an integer number (37538397000).

Almost surely, 2^{1942358139520} is an apocalyptic number.

1942358139520 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 1942358139520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2402457408000).

1942358139520 is an abundant number, since it is smaller than the sum of its proper divisors (2862556676480).

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

1942358139520 is a wasteful number, since it uses less digits than its factorization.

1942358139520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370 (or 29358 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 1942358139520 in words is "one trillion, nine hundred forty-two billion, three hundred fifty-eight million, one hundred thirty-nine thousand, five hundred twenty".