40819821196378 has 32 divisors (see below), whose sum is σ = 70035715376640. Its totient is φ = 17479494175920.

The previous prime is 40819821196369. The next prime is 40819821196397. The reversal of 40819821196378 is 87369112891804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102319233 + ... + 102717403.

It is an arithmetic number, because the mean of its divisors is an integer number (2188616105520).

Almost surely, 2^{40819821196378} is an apocalyptic number.

40819821196378 is a deficient number, since it is larger than the sum of its proper divisors (29215894180262).

40819821196378 is a wasteful number, since it uses less digits than its factorization.

40819821196378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404322.

The product of its (nonzero) digits is 41803776, while the sum is 67.

The spelling of 40819821196378 in words is "forty trillion, eight hundred nineteen billion, eight hundred twenty-one million, one hundred ninety-six thousand, three hundred seventy-eight".