2945999246540 has 48 divisors (see below), whose sum is σ = 7070732768064. Its totient is φ = 1010009088000.

The previous prime is 2945999246501. The next prime is 2945999246543. The reversal of 2945999246540 is 456429995492.

It is a super-2 number, since 2×2945999246540² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2945999246543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2537060 + ... + 3511220.

It is an arithmetic number, because the mean of its divisors is an integer number (147306932668).

Almost surely, 2^{2945999246540} is an apocalyptic number.

2945999246540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945999246540 is an abundant number, since it is smaller than the sum of its proper divisors (4124733521524).

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

2945999246540 is a wasteful number, since it uses less digits than its factorization.

2945999246540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995778 (or 995776 counting only the distinct ones).

The product of its (nonzero) digits is 251942400, while the sum is 68.

The spelling of 2945999246540 in words is "two trillion, nine hundred forty-five billion, nine hundred ninety-nine million, two hundred forty-six thousand, five hundred forty".