49749408 has 36 divisors (see below), whose sum is σ = 141475698. Its totient is φ = 16583040.

The previous prime is 49749397. The next prime is 49749421. The reversal of 49749408 is 80494794.

It can be written as a sum of positive squares in only one way, i.e., 48608784 + 1140624 = 6972^2 + 1068^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 86083 + ... + 86658.

Almost surely, 2^49749408 is an apocalyptic number.

49749408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49749408 is an abundant number, since it is smaller than the sum of its proper divisors (91726290).

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

49749408 is a wasteful number, since it uses less digits than its factorization.

49749408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172757 (or 172746 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49749408 is about 7053.3260239408. The cubic root of 49749408 is about 367.7866595830.

The spelling of 49749408 in words is "forty-nine million, seven hundred forty-nine thousand, four hundred eight".