240829663893 has 24 divisors (see below), whose sum is σ = 397379130048. Its totient is φ = 127031029632.

The previous prime is 240829663891. The next prime is 240829663951. The reversal of 240829663893 is 398366928042.

It is a happy number.

It is not a de Polignac number, because 240829663893 - 2¹ = 240829663891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240829663891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33925680 + ... + 33932777.

It is an arithmetic number, because the mean of its divisors is an integer number (16557463752).

Almost surely, 2^240829663893 is an apocalyptic number.

It is an amenable number.

240829663893 is a deficient number, since it is larger than the sum of its proper divisors (156549466155).

240829663893 is a wasteful number, since it uses less digits than its factorization.

240829663893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67858493 (or 67858480 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 60.

The spelling of 240829663893 in words is "two hundred forty billion, eight hundred twenty-nine million, six hundred sixty-three thousand, eight hundred ninety-three".