2240923421921 has 16 divisors (see below), whose sum is σ = 2388611289600. Its totient is φ = 2097442847808.

The previous prime is 2240923421911. The next prime is 2240923421927. The reversal of 2240923421921 is 1291243290422.

It is not a de Polignac number, because 2240923421921 - 2⁶ = 2240923421857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2240923421927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4960475 + ... + 5393343.

It is an arithmetic number, because the mean of its divisors is an integer number (149288205600).

Almost surely, 2^{2240923421921} is an apocalyptic number.

It is an amenable number.

2240923421921 is a deficient number, since it is larger than the sum of its proper divisors (147687867679).

2240923421921 is a wasteful number, since it uses less digits than its factorization.

2240923421921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437728.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 2240923421921 in words is "two trillion, two hundred forty billion, nine hundred twenty-three million, four hundred twenty-one thousand, nine hundred twenty-one".