63401416 has 32 divisors (see below), whose sum is σ = 131153400. Its totient is φ = 28546560.

The previous prime is 63401399. The next prime is 63401419. The reversal of 63401416 is 61410436.

It can be written as a sum of positive squares in 4 ways, for example, as 17892900 + 45508516 = 4230^2 + 6746^2 .

It is not an unprimeable number, because it can be changed into a prime (63401419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 11698.

Almost surely, 2^63401416 is an apocalyptic number.

It is an amenable number.

63401416 is an abundant number, since it is smaller than the sum of its proper divisors (67751984).

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

63401416 is a wasteful number, since it uses less digits than its factorization.

63401416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14929 (or 14925 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 63401416 is about 7962.5006122449. The cubic root of 63401416 is about 398.7490418376.

The spelling of 63401416 in words is "sixty-three million, four hundred one thousand, four hundred sixteen".