49450400 has 36 divisors (see below), whose sum is σ = 120722742. Its totient is φ = 19779840.

The previous prime is 49450397. The next prime is 49450411. The reversal of 49450400 is 405494.

It can be written as a sum of positive squares in 3 ways, for example, as 42876304 + 6574096 = 6548^2 + 2564^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 49450400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30107 + ... + 31706.

Almost surely, 2^49450400 is an apocalyptic number.

49450400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49450400 is an abundant number, since it is smaller than the sum of its proper divisors (71272342).

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

49450400 is a wasteful number, since it uses less digits than its factorization.

49450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61833 (or 61820 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 49450400 is about 7032.0978377722. The cubic root of 49450400 is about 367.0483445236.

Adding to 49450400 its reverse (405494), we get a palindrome (49855894).

The spelling of 49450400 in words is "forty-nine million, four hundred fifty thousand, four hundred".