63140844 has 48 divisors (see below), whose sum is σ = 159961088. Its totient is φ = 19268928.

The previous prime is 63140837. The next prime is 63140851. The reversal of 63140844 is 44804136.

It is an interprime number because it is at equal distance from previous prime (63140837) and next prime (63140851).

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, 18219 + ... + 21405.

Almost surely, 2^63140844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63140844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79980544).

63140844 is an abundant number, since it is smaller than the sum of its proper divisors (96820244).

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

63140844 is a wasteful number, since it uses less digits than its factorization.

63140844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 63140844 is about 7946.1213179765. The cubic root of 63140844 is about 398.2020219632.

The spelling of 63140844 in words is "sixty-three million, one hundred forty thousand, eight hundred forty-four".