40370063 has 4 divisors (see below), whose sum is σ = 40416768. Its totient is φ = 40323360.

The previous prime is 40370051. The next prime is 40370089. The reversal of 40370063 is 36007304.

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

It is a cyclic number.

It is not a de Polignac number, because 40370063 - 2⁶ = 40369999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370023) 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 3 ways as a sum of consecutive naturals, for example, 22031 + ... + 23792.

It is an arithmetic number, because the mean of its divisors is an integer number (10104192).

Almost surely, 2^40370063 is an apocalyptic number.

40370063 is a deficient number, since it is larger than the sum of its proper divisors (46705).

40370063 is an equidigital number, since it uses as much as digits as its factorization.

40370063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46704.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 40370063 is about 6353.7440143588. The cubic root of 40370063 is about 343.0466182277.

Adding to 40370063 its reverse (36007304), we get a palindrome (76377367).

The spelling of 40370063 in words is "forty million, three hundred seventy thousand, sixty-three".