64266405 has 16 divisors (see below), whose sum is σ = 117515904. Its totient is φ = 29378880.

The previous prime is 64266359. The next prime is 64266413. The reversal of 64266405 is 50466246.

It is not a de Polignac number, because 64266405 - 2⁸ = 64266149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305926 + ... + 306135.

It is an arithmetic number, because the mean of its divisors is an integer number (7344744).

Almost surely, 2^64266405 is an apocalyptic number.

It is an amenable number.

64266405 is a deficient number, since it is larger than the sum of its proper divisors (53249499).

64266405 is a wasteful number, since it uses less digits than its factorization.

64266405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612076.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 64266405 is about 8016.6330214124. The cubic root of 64266405 is about 400.5542421012.

The spelling of 64266405 in words is "sixty-four million, two hundred sixty-six thousand, four hundred five".