40240284782 has 8 divisors (see below), whose sum is σ = 60373458216. Its totient is φ = 20115798712.

The previous prime is 40240284743. The next prime is 40240284787. The reversal of 40240284782 is 28748204204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240284787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160248 + ... + 2178795.

It is an arithmetic number, because the mean of its divisors is an integer number (7546682277).

Almost surely, 2^40240284782 is an apocalyptic number.

40240284782 is a deficient number, since it is larger than the sum of its proper divisors (20133173434).

40240284782 is a wasteful number, since it uses less digits than its factorization.

40240284782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343682.

The product of its (nonzero) digits is 229376, while the sum is 41.

Adding to 40240284782 its reverse (28748204204), we get a palindrome (68988488986).

The spelling of 40240284782 in words is "forty billion, two hundred forty million, two hundred eighty-four thousand, seven hundred eighty-two".