403650064 has 10 divisors (see below), whose sum is σ = 782072030. Its totient is φ = 201825024.

The previous prime is 403650061. The next prime is 403650097. The reversal of 403650064 is 460056304.

It can be written as a sum of positive squares in only one way, i.e., 292136464 + 111513600 = 17092^2 + 10560^2 .

It is not an unprimeable number, because it can be changed into a prime (403650061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614049 + ... + 12614080.

It is an arithmetic number, because the mean of its divisors is an integer number (78207203).

Almost surely, 2^403650064 is an apocalyptic number.

It is an amenable number.

403650064 is a deficient number, since it is larger than the sum of its proper divisors (378421966).

403650064 is a wasteful number, since it uses less digits than its factorization.

403650064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25228137 (or 25228131 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 403650064 is about 20091.0443730534. The cubic root of 403650064 is about 739.0406755596.

The spelling of 403650064 in words is "four hundred three million, six hundred fifty thousand, sixty-four".