240010329978 has 24 divisors (see below), whose sum is σ = 521999663328. Its totient is φ = 79699246152.

The previous prime is 240010329971. The next prime is 240010329991. The reversal of 240010329978 is 879923010042.

240010329978 is a `hidden beast` number, since 240 + 0 + 10 + 329 + 9 + 78 = 666.

It is a super-2 number, since 2×240010329978² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240010329971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25344900 + ... + 25354367.

It is an arithmetic number, because the mean of its divisors is an integer number (21749985972).

Almost surely, 2^240010329978 is an apocalyptic number.

240010329978 is an abundant number, since it is smaller than the sum of its proper divisors (281989333350).

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

240010329978 is a wasteful number, since it uses less digits than its factorization.

240010329978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50699538 (or 50699535 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 240010329978 in words is "two hundred forty billion, ten million, three hundred twenty-nine thousand, nine hundred seventy-eight".