15494148810 has 96 divisors (see below), whose sum is σ = 46121736960. Its totient is φ = 3535213824.

The previous prime is 15494148809. The next prime is 15494148847. The reversal of 15494148810 is 1884149451.

15494148810 is a `hidden beast` number, since 1 + 5 + 494 + 148 + 8 + 10 = 666.

It is a super-2 number, since 2×15494148810² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336859 + ... + 380081.

It is an arithmetic number, because the mean of its divisors is an integer number (480434760).

Almost surely, 2^15494148810 is an apocalyptic number.

15494148810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15494148810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23060868480).

15494148810 is an abundant number, since it is smaller than the sum of its proper divisors (30627588150).

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

15494148810 is a wasteful number, since it uses less digits than its factorization.

15494148810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43812 (or 43809 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 15494148810 in words is "fifteen billion, four hundred ninety-four million, one hundred forty-eight thousand, eight hundred ten".