40619966774401 has 4 divisors (see below), whose sum is σ = 46422819170752. Its totient is φ = 34817114378052.

The previous prime is 40619966774389. The next prime is 40619966774419. The reversal of 40619966774401 is 10447766991604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40619966774401 - 2⁷ = 40619966774273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40619966774501) 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, 2901426198165 + ... + 2901426198178.

It is an arithmetic number, because the mean of its divisors is an integer number (11605704792688).

Almost surely, 2^{40619966774401} is an apocalyptic number.

It is an amenable number.

40619966774401 is a deficient number, since it is larger than the sum of its proper divisors (5802852396351).

40619966774401 is an equidigital number, since it uses as much as digits as its factorization.

40619966774401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802852396350.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 40619966774401 in words is "forty trillion, six hundred nineteen billion, nine hundred sixty-six million, seven hundred seventy-four thousand, four hundred one".