2146502540040 has 32 divisors (see below), whose sum is σ = 6439507620480. Its totient is φ = 572400677312.

The previous prime is 2146502540029. The next prime is 2146502540047. The reversal of 2146502540040 is 400452056412.

It is a junction number, because it is equal to n+sod(n) for n = 2146502539983 and 2146502540010.

It is not an unprimeable number, because it can be changed into a prime (2146502540047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8943760464 + ... + 8943760703.

It is an arithmetic number, because the mean of its divisors is an integer number (201234613140).

Almost surely, 2^{2146502540040} is an apocalyptic number.

2146502540040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146502540040 is an abundant number, since it is smaller than the sum of its proper divisors (4293005080440).

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

2146502540040 is a wasteful number, since it uses less digits than its factorization.

2146502540040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17887521181 (or 17887521177 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 2146502540040 its reverse (400452056412), we get a palindrome (2546954596452).

The spelling of 2146502540040 in words is "two trillion, one hundred forty-six billion, five hundred two million, five hundred forty thousand, forty".