40619966774399 has 4 divisors (see below), whose sum is σ = 41109363964536. Its totient is φ = 40130569584264.

The previous prime is 40619966774389. The next prime is 40619966774419. The reversal of 40619966774399 is 99347766991604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40619966774399 - 2⁸ = 40619966774143 is a prime.

It is a super-2 number, since 2×40619966774399² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40619966774389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244698594944 + ... + 244698595109.

It is an arithmetic number, because the mean of its divisors is an integer number (10277340991134).

Almost surely, 2^{40619966774399} is an apocalyptic number.

40619966774399 is a deficient number, since it is larger than the sum of its proper divisors (489397190137).

40619966774399 is an equidigital number, since it uses as much as digits as its factorization.

40619966774399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489397190136.

The product of its (nonzero) digits is 3333197952, while the sum is 80.

The spelling of 40619966774399 in words is "forty trillion, six hundred nineteen billion, nine hundred sixty-six million, seven hundred seventy-four thousand, three hundred ninety-nine".