49999404 has 144 divisors (see below), whose sum is σ = 151581696. Its totient is φ = 12700800.

The previous prime is 49999403. The next prime is 49999409. The reversal of 49999404 is 40499994.

It is not an unprimeable number, because it can be changed into a prime (49999403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236859 + ... + 237069.

Almost surely, 2^49999404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75790848).

49999404 is an abundant number, since it is smaller than the sum of its proper divisors (101582292).

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

49999404 is a wasteful number, since it uses less digits than its factorization.

49999404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 49999404 is about 7071.0256681757. The cubic root of 49999404 is about 368.4016860697.

It can be divided in two parts, 49999 and 404, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 49999404 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred four".