15538983462 has 112 divisors (see below), whose sum is σ = 36405713952. Its totient is φ = 4967464320.

The previous prime is 15538983457. The next prime is 15538983463. The reversal of 15538983462 is 26438983551.

15538983462 is a `hidden beast` number, since 1 + 553 + 8 + 9 + 83 + 4 + 6 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 15538983399 and 15538983408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15538983463) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3828138 + ... + 3832194.

Almost surely, 2^15538983462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15538983462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18202856976).

15538983462 is an abundant number, since it is smaller than the sum of its proper divisors (20866730490).

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

15538983462 is an equidigital number, since it uses as much as digits as its factorization.

15538983462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4170 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 15538983462 in words is "fifteen billion, five hundred thirty-eight million, nine hundred eighty-three thousand, four hundred sixty-two".