1958357412 has 108 divisors (see below), whose sum is σ = 5643096368. Its totient is φ = 593406000.

The previous prime is 1958357407. The next prime is 1958357419. The reversal of 1958357412 is 2147538591.

1958357412 is a `hidden beast` number, since 1 + 9 + 583 + 57 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is not an unprimeable number, because it can be changed into a prime (1958357419) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109287 + ... + 125937.

Almost surely, 2^1958357412 is an apocalyptic number.

1958357412 is a gapful number since it is divisible by the number (12) 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 1958357412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821548184).

1958357412 is an abundant number, since it is smaller than the sum of its proper divisors (3684738956).

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

1958357412 is a wasteful number, since it uses less digits than its factorization.

1958357412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16692 (or 16667 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 1958357412 is about 44253.3322135181. The cubic root of 1958357412 is about 1251.1152525668.

The spelling of 1958357412 in words is "one billion, nine hundred fifty-eight million, three hundred fifty-seven thousand, four hundred twelve".