240478423836 has 24 divisors (see below), whose sum is σ = 641275797120. Its totient is φ = 68708121072.

The previous prime is 240478423819. The next prime is 240478423859. The reversal of 240478423836 is 638324874042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431419106 + ... + 1431419273.

It is an arithmetic number, because the mean of its divisors is an integer number (26719824880).

Almost surely, 2^240478423836 is an apocalyptic number.

It is an amenable number.

240478423836 is an abundant number, since it is smaller than the sum of its proper divisors (400797373284).

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

240478423836 is a wasteful number, since it uses less digits than its factorization.

240478423836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862838393 (or 2862838391 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 51.

The spelling of 240478423836 in words is "two hundred forty billion, four hundred seventy-eight million, four hundred twenty-three thousand, eight hundred thirty-six".