1958387052 has 48 divisors (see below), whose sum is σ = 4761761760. Its totient is φ = 625669632.

The previous prime is 1958387051. The next prime is 1958387111. The reversal of 1958387052 is 2507838591.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1958386992 and 1958387010.

It is not an unprimeable number, because it can be changed into a prime (1958387051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27138 + ... + 68214.

It is an arithmetic number, because the mean of its divisors is an integer number (99203370).

Almost surely, 2^1958387052 is an apocalyptic number.

1958387052 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 1958387052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2380880880).

1958387052 is an abundant number, since it is smaller than the sum of its proper divisors (2803374708).

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

1958387052 is a wasteful number, since it uses less digits than its factorization.

1958387052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41250 (or 41248 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 1958387052 is about 44253.6671022866. The cubic root of 1958387052 is about 1251.1215644669.

The spelling of 1958387052 in words is "one billion, nine hundred fifty-eight million, three hundred eighty-seven thousand, fifty-two".