49217126400 has 810 divisors, whose sum is σ = 193322678640. Its totient is φ = 11961630720.

The previous prime is 49217126393. The next prime is 49217126417. The reversal of 49217126400 is 462171294.

It is a happy number.

49217126400 is a `hidden beast` number, since 4 + 9 + 2 + 1 + 7 + 1 + 2 + 640 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 623001561 + ... + 623001639.

Almost surely, 2^49217126400 is an apocalyptic number.

49217126400 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 49217126400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96661339320).

49217126400 is an abundant number, since it is smaller than the sum of its proper divisors (144105552240).

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

49217126400 is a wasteful number, since it uses less digits than its factorization.

49217126400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 49217126400 its reverse (462171294), we get a palindrome (49679297694).

The spelling of 49217126400 in words is "forty-nine billion, two hundred seventeen million, one hundred twenty-six thousand, four hundred".