240311677869021 has 64 divisors (see below), whose sum is σ = 353539428802560. Its totient is φ = 143983761408000.

The previous prime is 240311677869013. The next prime is 240311677869083. The reversal of 240311677869021 is 120968776113042.

It is not a de Polignac number, because 240311677869021 - 2³ = 240311677869013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240311677869521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6981525391 + ... + 6981559811.

It is an arithmetic number, because the mean of its divisors is an integer number (5524053575040).

Almost surely, 2^{240311677869021} is an apocalyptic number.

It is an amenable number.

240311677869021 is a deficient number, since it is larger than the sum of its proper divisors (113227750933539).

240311677869021 is a wasteful number, since it uses less digits than its factorization.

240311677869021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37978.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 240311677869021 in words is "two hundred forty trillion, three hundred eleven billion, six hundred seventy-seven million, eight hundred sixty-nine thousand, twenty-one".