40282736819 has 32 divisors (see below), whose sum is σ = 45132595200. Its totient is φ = 35715738240.

The previous prime is 40282736807. The next prime is 40282736881. The reversal of 40282736819 is 91863728204.

It is not a de Polignac number, because 40282736819 - 2²⁸ = 40014301363 is a prime.

It is a super-2 number, since 2×40282736819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40282736519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11877614 + ... + 11881004.

It is an arithmetic number, because the mean of its divisors is an integer number (1410393600).

Almost surely, 2^40282736819 is an apocalyptic number.

40282736819 is a deficient number, since it is larger than the sum of its proper divisors (4849858381).

40282736819 is a wasteful number, since it uses less digits than its factorization.

40282736819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 40282736819 in words is "forty billion, two hundred eighty-two million, seven hundred thirty-six thousand, eight hundred nineteen".