63158040 has 192 divisors, whose sum is σ = 229975200. Its totient is φ = 14899200.

The previous prime is 63158021. The next prime is 63158041. The reversal of 63158040 is 4085136.

It is a junction number, because it is equal to n+sod(n) for n = 63157995 and 63158013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63158041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162166 + ... + 162554.

Almost surely, 2^63158040 is an apocalyptic number.

63158040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63158040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114987600).

63158040 is an abundant number, since it is smaller than the sum of its proper divisors (166817160).

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

63158040 is a wasteful number, since it uses less digits than its factorization.

63158040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 63158040 is about 7947.2032816583. The cubic root of 63158040 is about 398.2381679294.

The spelling of 63158040 in words is "sixty-three million, one hundred fifty-eight thousand, forty".