2942738221500 has 960 divisors, whose sum is σ = 12025373488128. Its totient is φ = 608637888000.

The previous prime is 2942738221481. The next prime is 2942738221517. The reversal of 2942738221500 is 51228372492.

2942738221500 is a `hidden beast` number, since 2 + 9 + 42 + 7 + 3 + 82 + 21 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 707897422 + ... + 707901578.

Almost surely, 2^{2942738221500} is an apocalyptic number.

2942738221500 is a gapful number since it is divisible by the number (20) 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 2942738221500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6012686744064).

2942738221500 is an abundant number, since it is smaller than the sum of its proper divisors (9082635266628).

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

2942738221500 is a wasteful number, since it uses less digits than its factorization.

2942738221500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 2942738221500 in words is "two trillion, nine hundred forty-two billion, seven hundred thirty-eight million, two hundred twenty-one thousand, five hundred".