40355386516819 has 32 divisors (see below), whose sum is σ = 45101367959040. Its totient is φ = 35800141843200.

The previous prime is 40355386516759. The next prime is 40355386516877. The reversal of 40355386516819 is 91861568355304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40355386516819 - 2¹³ = 40355386508627 is a prime.

It is a super-2 number, since 2×40355386516819² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40355386516019) 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, 94133277 + ... + 94561009.

It is an arithmetic number, because the mean of its divisors is an integer number (1409417748720).

Almost surely, 2^{40355386516819} is an apocalyptic number.

40355386516819 is a deficient number, since it is larger than the sum of its proper divisors (4745981442221).

40355386516819 is a wasteful number, since it uses less digits than its factorization.

40355386516819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429051.

The product of its (nonzero) digits is 93312000, while the sum is 64.

The spelling of 40355386516819 in words is "forty trillion, three hundred fifty-five billion, three hundred eighty-six million, five hundred sixteen thousand, eight hundred nineteen".