15493535484 has 96 divisors (see below), whose sum is σ = 43559577600. Its totient is φ = 4187090880.

The previous prime is 15493535459. The next prime is 15493535501. The reversal of 15493535484 is 48453539451.

It is a super-2 number, since 2×15493535484² (a number of 21 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 31 ways as a sum of consecutive naturals, for example, 1044399 + ... + 1059129.

It is an arithmetic number, because the mean of its divisors is an integer number (453745600).

Almost surely, 2^15493535484 is an apocalyptic number.

15493535484 is a gapful number since it is divisible by the number (14) 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 15493535484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21779788800).

15493535484 is an abundant number, since it is smaller than the sum of its proper divisors (28066042116).

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

15493535484 is a wasteful number, since it uses less digits than its factorization.

15493535484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15423 (or 15421 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 51.

The spelling of 15493535484 in words is "fifteen billion, four hundred ninety-three million, five hundred thirty-five thousand, four hundred eighty-four".