49400810 has 16 divisors (see below), whose sum is σ = 94152456. Its totient is φ = 18597888.

The previous prime is 49400783. The next prime is 49400821. The reversal of 49400810 is 1800494.

It can be written as a sum of positive squares in 4 ways, for example, as 49042009 + 358801 = 7003^2 + 599^2 .

It is a super-2 number, since 2×49400810² = 4880880057312200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49400810.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145127 + ... + 145466.

Almost surely, 2^49400810 is an apocalyptic number.

49400810 is a deficient number, since it is larger than the sum of its proper divisors (44751646).

49400810 is a wasteful number, since it uses less digits than its factorization.

49400810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290617.

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

The square root of 49400810 is about 7028.5709785133. The cubic root of 49400810 is about 366.9256086426.

The spelling of 49400810 in words is "forty-nine million, four hundred thousand, eight hundred ten".