58687440 has 160 divisors (see below), whose sum is σ = 210153216. Its totient is φ = 13271040.

The previous prime is 58687427. The next prime is 58687457. The reversal of 58687440 is 4478685.

It is a super-2 number, since 2×58687440² = 6888431227507200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 58687392 and 58687401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303984 + ... + 304176.

Almost surely, 2^58687440 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 58687440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105076608).

58687440 is an abundant number, since it is smaller than the sum of its proper divisors (151465776).

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

58687440 is a wasteful number, since it uses less digits than its factorization.

58687440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 58687440 is about 7660.7728069693. The cubic root of 58687440 is about 388.6109692626.

The spelling of 58687440 in words is "fifty-eight million, six hundred eighty-seven thousand, four hundred forty".