40571455797 has 32 divisors (see below), whose sum is σ = 62738184960. Its totient is φ = 25863805440.

The previous prime is 40571455721. The next prime is 40571455811. The reversal of 40571455797 is 79755417504.

40571455797 is a `hidden beast` number, since 4 + 0 + 57 + 14 + 5 + 579 + 7 = 666.

It is not a de Polignac number, because 40571455797 - 2¹⁵ = 40571423029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571455697) 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 in 31 ways as a sum of consecutive naturals, for example, 2586097 + ... + 2601737.

It is an arithmetic number, because the mean of its divisors is an integer number (1960568280).

Almost surely, 2^40571455797 is an apocalyptic number.

It is an amenable number.

40571455797 is a deficient number, since it is larger than the sum of its proper divisors (22166729163).

40571455797 is a wasteful number, since it uses less digits than its factorization.

40571455797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19850 (or 19844 counting only the distinct ones).

The product of its (nonzero) digits is 6174000, while the sum is 54.

The spelling of 40571455797 in words is "forty billion, five hundred seventy-one million, four hundred fifty-five thousand, seven hundred ninety-seven".