40784182242 has 32 divisors (see below), whose sum is σ = 85385539584. Its totient is φ = 12970885200.

The previous prime is 40784182213. The next prime is 40784182247. The reversal of 40784182242 is 24228148704.

It is a super-2 number, since 2×40784182242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40784182194 and 40784182203.

It is not an unprimeable number, because it can be changed into a prime (40784182247) 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 15 ways as a sum of consecutive naturals, for example, 1530948 + ... + 1557359.

It is an arithmetic number, because the mean of its divisors is an integer number (2668298112).

Almost surely, 2^40784182242 is an apocalyptic number.

40784182242 is an abundant number, since it is smaller than the sum of its proper divisors (44601357342).

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

40784182242 is a wasteful number, since it uses less digits than its factorization.

40784182242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088414.

The product of its (nonzero) digits is 229376, while the sum is 42.

The spelling of 40784182242 in words is "forty billion, seven hundred eighty-four million, one hundred eighty-two thousand, two hundred forty-two".