58490331640 has 64 divisors (see below), whose sum is σ = 141905403360. Its totient is φ = 21569180160.

The previous prime is 58490331629. The next prime is 58490331659. The reversal of 58490331640 is 4613309485.

It is a super-2 number, since 2×58490331640² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 343875 + ... + 485005.

Almost surely, 2^58490331640 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 58490331640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70952701680).

58490331640 is an abundant number, since it is smaller than the sum of its proper divisors (83415071720).

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

58490331640 is a wasteful number, since it uses less digits than its factorization.

58490331640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141952 (or 141948 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 58490331640 in words is "fifty-eight billion, four hundred ninety million, three hundred thirty-one thousand, six hundred forty".