49400900 has 36 divisors (see below), whose sum is σ = 109823700. Its totient is φ = 19276800.

The previous prime is 49400881. The next prime is 49400917. The reversal of 49400900 is 900494.

It can be written as a sum of positive squares in 6 ways, for example, as 5098564 + 44302336 = 2258^2 + 6656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49400900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1925 + ... + 10124.

Almost surely, 2^49400900 is an apocalyptic number.

It is an amenable number.

49400900 is an abundant number, since it is smaller than the sum of its proper divisors (60422800).

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

49400900 is a wasteful number, since it uses less digits than its factorization.

49400900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12104 (or 12097 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 49400900 is about 7028.5773809499. The cubic root of 49400900 is about 366.9258314681.

The spelling of 49400900 in words is "forty-nine million, four hundred thousand, nine hundred".