2939980123440 has 160 divisors (see below), whose sum is σ = 10127296900800. Its totient is φ = 783940608000.

The previous prime is 2939980123429. The next prime is 2939980123481. The reversal of 2939980123440 is 443210899392.

2939980123440 is a `hidden beast` number, since 2 + 93 + 9 + 98 + 0 + 1 + 23 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38645440 + ... + 38721440.

It is an arithmetic number, because the mean of its divisors is an integer number (63295605630).

Almost surely, 2^{2939980123440} is an apocalyptic number.

2939980123440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2939980123440 is an abundant number, since it is smaller than the sum of its proper divisors (7187316777360).

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

2939980123440 is a wasteful number, since it uses less digits than its factorization.

2939980123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93932 (or 93920 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 2939980123440 in words is "two trillion, nine hundred thirty-nine billion, nine hundred eighty million, one hundred twenty-three thousand, four hundred forty".