49810400 has 144 divisors (see below), whose sum is σ = 133585200. Its totient is φ = 18063360.

The previous prime is 49810379. The next prime is 49810403. The reversal of 49810400 is 401894.

It is a self number, because there is not a number n which added to its sum of digits gives 49810400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49810403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 440744 + ... + 440856.

It is an arithmetic number, because the mean of its divisors is an integer number (927675).

Almost surely, 2^49810400 is an apocalyptic number.

49810400 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 49810400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66792600).

49810400 is an abundant number, since it is smaller than the sum of its proper divisors (83774800).

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

49810400 is a wasteful number, since it uses less digits than its factorization.

49810400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 49810400 is about 7057.6483335457. The cubic root of 49810400 is about 367.9368984433.

The spelling of 49810400 in words is "forty-nine million, eight hundred ten thousand, four hundred".