240378137896 has 32 divisors (see below), whose sum is σ = 492215270400. Its totient is φ = 109381164480.

The previous prime is 240378137843. The next prime is 240378137899. The reversal of 240378137896 is 698731873042.

It is a self number, because there is not a number n which added to its sum of digits gives 240378137896.

It is not an unprimeable number, because it can be changed into a prime (240378137899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16269576 + ... + 16284343.

It is an arithmetic number, because the mean of its divisors is an integer number (15381727200).

Almost surely, 2^240378137896 is an apocalyptic number.

240378137896 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

240378137896 is an abundant number, since it is smaller than the sum of its proper divisors (251837132504).

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

240378137896 is a wasteful number, since it uses less digits than its factorization.

240378137896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32554009 (or 32554005 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 240378137896 in words is "two hundred forty billion, three hundred seventy-eight million, one hundred thirty-seven thousand, eight hundred ninety-six".