58440492 has 72 divisors (see below), whose sum is σ = 170653392. Its totient is φ = 16665600.

The previous prime is 58440491. The next prime is 58440497. The reversal of 58440492 is 29404485.

It is a super-2 number, since 2×58440492² = 6830582210404128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (58440491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2392 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (2370186).

Almost surely, 2^58440492 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 58440492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85326696).

58440492 is an abundant number, since it is smaller than the sum of its proper divisors (112212900).

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

58440492 is a wasteful number, since it uses less digits than its factorization.

58440492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8719 (or 8714 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 58440492 is about 7644.6381209316. The cubic root of 58440492 is about 388.0651305976.

The spelling of 58440492 in words is "fifty-eight million, four hundred forty thousand, four hundred ninety-two".