63851442 has 16 divisors (see below), whose sum is σ = 127922592. Its totient is φ = 21247200.

The previous prime is 63851399. The next prime is 63851461. The reversal of 63851442 is 24415836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248 + ... + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (7995162).

Almost surely, 2^63851442 is an apocalyptic number.

63851442 is an abundant number, since it is smaller than the sum of its proper divisors (64071150).

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

63851442 is a wasteful number, since it uses less digits than its factorization.

63851442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313.

The product of its digits is 23040, while the sum is 33.

The square root of 63851442 is about 7990.7097306810. The cubic root of 63851442 is about 399.6902643882.

The spelling of 63851442 in words is "sixty-three million, eight hundred fifty-one thousand, four hundred forty-two".