49421400 has 216 divisors, whose sum is σ = 182672460. Its totient is φ = 11020800.

The previous prime is 49421369. The next prime is 49421401. The reversal of 49421400 is 412494.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49421401) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1205380 + ... + 1205420.

Almost surely, 2^49421400 is an apocalyptic number.

49421400 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 49421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91336230).

49421400 is an abundant number, since it is smaller than the sum of its proper divisors (133251060).

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

49421400 is a wasteful number, since it uses less digits than its factorization.

49421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 49421400 is about 7030.0355617877. The cubic root of 49421400 is about 366.9765791220.

Multiplying 49421400 by its sum of digits (24), we get a square (1186113600 = 34440²).

49421400 divided by its sum of digits (24) gives a square (2059225 = 1435²).

Adding to 49421400 its reverse (412494), we get a palindrome (49833894).

The spelling of 49421400 in words is "forty-nine million, four hundred twenty-one thousand, four hundred".