40370005057 has 4 divisors (see below), whose sum is σ = 40370705236. Its totient is φ = 40369304880.

The previous prime is 40370005001. The next prime is 40370005073. The reversal of 40370005057 is 75050007304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9797832256 + 30572172801 = 98984^2 + 174849^2 .

It is a cyclic number.

It is not a de Polignac number, because 40370005057 - 2³¹ = 38222521409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40370005457) 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, 254994 + ... + 381787.

It is an arithmetic number, because the mean of its divisors is an integer number (10092676309).

Almost surely, 2^40370005057 is an apocalyptic number.

It is an amenable number.

40370005057 is a deficient number, since it is larger than the sum of its proper divisors (700179).

40370005057 is an equidigital number, since it uses as much as digits as its factorization.

40370005057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700178.

The product of its (nonzero) digits is 14700, while the sum is 31.

The spelling of 40370005057 in words is "forty billion, three hundred seventy million, five thousand, fifty-seven".