49010000 has 150 divisors (see below), whose sum is σ = 132918390. Its totient is φ = 17472000.

The previous prime is 49009999. The next prime is 49010041. The reversal of 49010000 is 1094.

It can be written as a sum of positive squares in 15 ways, for example, as 45535504 + 3474496 = 6748^2 + 1864^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1689986 + ... + 1690014.

Almost surely, 2^49010000 is an apocalyptic number.

49010000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66459195).

49010000 is an abundant number, since it is smaller than the sum of its proper divisors (83908390).

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

49010000 is a wasteful number, since it uses less digits than its factorization.

49010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 49010000 is about 7000.7142492749. The cubic root of 49010000 is about 365.9554625452.

Adding to 49010000 its reverse (1094), we get a palindrome (49011094).

The spelling of 49010000 in words is "forty-nine million, ten thousand".