2942141773440 has 128 divisors (see below), whose sum is σ = 9378610401600. Its totient is φ = 784526508032.

The previous prime is 2942141773427. The next prime is 2942141773451. The reversal of 2942141773440 is 443771412492.

It is a happy number.

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

It is a super-4 number, since 4×2942141773440⁴ (a number of 51 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2942141773440.

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, 46853104 + ... + 46915856.

Almost surely, 2^{2942141773440} is an apocalyptic number.

2942141773440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2942141773440 is an abundant number, since it is smaller than the sum of its proper divisors (6436468628160).

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

2942141773440 is a wasteful number, since it uses less digits than its factorization.

2942141773440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87194 (or 87182 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 2942141773440 in words is "two trillion, nine hundred forty-two billion, one hundred forty-one million, seven hundred seventy-three thousand, four hundred forty".