15460485438 has 16 divisors (see below), whose sum is σ = 31382478720. Its totient is φ = 5076577176.

The previous prime is 15460485431. The next prime is 15460485461. The reversal of 15460485438 is 83458406451.

It is a super-2 number, since 2×15460485438² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15460485431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19229058 + ... + 19229861.

It is an arithmetic number, because the mean of its divisors is an integer number (1961404920).

Almost surely, 2^15460485438 is an apocalyptic number.

15460485438 is an abundant number, since it is smaller than the sum of its proper divisors (15921993282).

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

15460485438 is a wasteful number, since it uses less digits than its factorization.

15460485438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458991.

The product of its (nonzero) digits is 1843200, while the sum is 48.

It can be divided in two parts, 154604 and 85438, that added together give a palindrome (240042).

The spelling of 15460485438 in words is "fifteen billion, four hundred sixty million, four hundred eighty-five thousand, four hundred thirty-eight".