48000400000 has 576 divisors, whose sum is σ = 145340697600. Its totient is φ = 15724800000.

The previous prime is 48000399991. The next prime is 48000400009. The reversal of 48000400000 is 400084.

It is an interprime number because it is at equal distance from previous prime (48000399991) and next prime (48000400009).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48000400009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 607599961 + ... + 607600039.

It is an arithmetic number, because the mean of its divisors is an integer number (252327600).

Almost surely, 2^48000400000 is an apocalyptic number.

48000400000 is a gapful number since it is divisible by the number (40) 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 48000400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72670348800).

48000400000 is an abundant number, since it is smaller than the sum of its proper divisors (97340297600).

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

48000400000 is an frugal number, since it uses more digits than its factorization.

48000400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 48000400000 its reverse (400084), we get a palindrome (48000800084).

The spelling of 48000400000 in words is "forty-eight billion, four hundred thousand".