40039130378 has 16 divisors (see below), whose sum is σ = 64741372416. Its totient is φ = 18461662320.

The previous prime is 40039130359. The next prime is 40039130393. The reversal of 40039130378 is 87303193004.

It is a super-3 number, since 3×40039130378³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720026 + ... + 773637.

It is an arithmetic number, because the mean of its divisors is an integer number (4046335776).

Almost surely, 2^40039130378 is an apocalyptic number.

40039130378 is a deficient number, since it is larger than the sum of its proper divisors (24702242038).

40039130378 is a wasteful number, since it uses less digits than its factorization.

40039130378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494709.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 40039130378 in words is "forty billion, thirty-nine million, one hundred thirty thousand, three hundred seventy-eight".