48466581438 has 128 divisors (see below), whose sum is σ = 109212364800. Its totient is φ = 14215104000.

The previous prime is 48466581437. The next prime is 48466581439. The reversal of 48466581438 is 83418566484.

It is an interprime number because it is at equal distance from previous prime (48466581437) and next prime (48466581439).

It is a super-2 number, since 2×48466581438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48466581431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81730870 + ... + 81731462.

It is an arithmetic number, because the mean of its divisors is an integer number (853221600).

Almost surely, 2^48466581438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48466581438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54606182400).

48466581438 is an abundant number, since it is smaller than the sum of its proper divisors (60745783362).

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

48466581438 is a wasteful number, since it uses less digits than its factorization.

48466581438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its digits is 17694720, while the sum is 57.

The spelling of 48466581438 in words is "forty-eight billion, four hundred sixty-six million, five hundred eighty-one thousand, four hundred thirty-eight".