240990924693 has 16 divisors (see below), whose sum is σ = 335950496640. Its totient is φ = 153373433664.

The previous prime is 240990924661. The next prime is 240990924697. The reversal of 240990924693 is 396429099042.

It is a happy number.

It is not a de Polignac number, because 240990924693 - 2⁵ = 240990924661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240990924697) 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, 3395746 + ... + 3465987.

It is an arithmetic number, because the mean of its divisors is an integer number (20996906040).

Almost surely, 2^240990924693 is an apocalyptic number.

240990924693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

240990924693 is a deficient number, since it is larger than the sum of its proper divisors (94959571947).

240990924693 is a wasteful number, since it uses less digits than its factorization.

240990924693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862268.

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 240990924693 in words is "two hundred forty billion, nine hundred ninety million, nine hundred twenty-four thousand, six hundred ninety-three".