40860205057 has 4 divisors (see below), whose sum is σ = 46697377216. Its totient is φ = 35023032900.

The previous prime is 40860205027. The next prime is 40860205063. The reversal of 40860205057 is 75050206804.

It is a happy number.

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 40860205057 - 2¹⁵ = 40860172289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40860205027) 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, 2918586069 + ... + 2918586082.

It is an arithmetic number, because the mean of its divisors is an integer number (11674344304).

Almost surely, 2^40860205057 is an apocalyptic number.

It is an amenable number.

40860205057 is a deficient number, since it is larger than the sum of its proper divisors (5837172159).

40860205057 is an equidigital number, since it uses as much as digits as its factorization.

40860205057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837172158.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 40860205057 in words is "forty billion, eight hundred sixty million, two hundred five thousand, fifty-seven".