40477193633 has 2 divisors, whose sum is σ = 40477193634. Its totient is φ = 40477193632.

The previous prime is 40477193629. The next prime is 40477193657. The reversal of 40477193633 is 33639177404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35775074449 + 4702119184 = 189143^2 + 68572^2 .

It is a cyclic number.

It is not a de Polignac number, because 40477193633 - 2² = 40477193629 is a prime.

It is not a weakly prime, because it can be changed into another prime (40477193623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20238596816 + 20238596817.

It is an arithmetic number, because the mean of its divisors is an integer number (20238596817).

Almost surely, 2^40477193633 is an apocalyptic number.

It is an amenable number.

40477193633 is a deficient number, since it is larger than the sum of its proper divisors (1).

40477193633 is an equidigital number, since it uses as much as digits as its factorization.

40477193633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 47.

The spelling of 40477193633 in words is "forty billion, four hundred seventy-seven million, one hundred ninety-three thousand, six hundred thirty-three".