40264353064 has 16 divisors (see below), whose sum is σ = 81303020820. Its totient is φ = 18583547520.

The previous prime is 40264353037. The next prime is 40264353067. The reversal of 40264353064 is 46035346204.

It is a happy number.

40264353064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39544504164 + 719848900 = 198858^2 + 26830^2 .

It is not an unprimeable number, because it can be changed into a prime (40264353067) 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, 193578517 + ... + 193578724.

Almost surely, 2^40264353064 is an apocalyptic number.

It is an amenable number.

40264353064 is an abundant number, since it is smaller than the sum of its proper divisors (41038667756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40264353064 is a wasteful number, since it uses less digits than its factorization.

40264353064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387157260 (or 387157256 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 40264353064 its reverse (46035346204), we get a palindrome (86299699268).

The spelling of 40264353064 in words is "forty billion, two hundred sixty-four million, three hundred fifty-three thousand, sixty-four".