63955340 has 12 divisors (see below), whose sum is σ = 134306256. Its totient is φ = 25582128.

The previous prime is 63955313. The next prime is 63955369. The reversal of 63955340 is 4355936.

It is a super-3 number, since 3×63955340³ (a number of 24 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 63955340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598864 + ... + 1598903.

It is an arithmetic number, because the mean of its divisors is an integer number (11192188).

Almost surely, 2^63955340 is an apocalyptic number.

It is an amenable number.

63955340 is an abundant number, since it is smaller than the sum of its proper divisors (70350916).

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

63955340 is a wasteful number, since it uses less digits than its factorization.

63955340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197776 (or 3197774 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 63955340 is about 7997.2082628877. The cubic root of 63955340 is about 399.9069366831.

The spelling of 63955340 in words is "sixty-three million, nine hundred fifty-five thousand, three hundred forty".