40213575827 has 2 divisors, whose sum is σ = 40213575828. Its totient is φ = 40213575826.

The previous prime is 40213575823. The next prime is 40213575847. The reversal of 40213575827 is 72857531204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40213575827 - 2² = 40213575823 is a prime.

It is not a weakly prime, because it can be changed into another prime (40213575823) by changing a digit.

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 as a sum of consecutive naturals, namely, 20106787913 + 20106787914.

It is an arithmetic number, because the mean of its divisors is an integer number (20106787914).

Almost surely, 2^40213575827 is an apocalyptic number.

40213575827 is a deficient number, since it is larger than the sum of its proper divisors (1).

40213575827 is an equidigital number, since it uses as much as digits as its factorization.

40213575827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 40213575827 in words is "forty billion, two hundred thirteen million, five hundred seventy-five thousand, eight hundred twenty-seven".