2047131670040 has 32 divisors (see below), whose sum is σ = 4629427220880. Its totient is φ = 814696052352.

The previous prime is 2047131670027. The next prime is 2047131670057. The reversal of 2047131670040 is 400761317402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129886262 + ... + 129902021.

Almost surely, 2^{2047131670040} is an apocalyptic number.

2047131670040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2047131670040 is an abundant number, since it is smaller than the sum of its proper divisors (2582295550840).

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

2047131670040 is a wasteful number, since it uses less digits than its factorization.

2047131670040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259788491 (or 259788487 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 2047131670040 its reverse (400761317402), we get a palindrome (2447892987442).

The spelling of 2047131670040 in words is "two trillion, forty-seven billion, one hundred thirty-one million, six hundred seventy thousand, forty".