49940000 has 120 divisors (see below), whose sum is σ = 134619408. Its totient is φ = 18080000.

The previous prime is 49939987. The next prime is 49940017. The reversal of 49940000 is 4994.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 219887 + ... + 220113.

Almost surely, 2^49940000 is an apocalyptic number.

49940000 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 49940000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67309704).

49940000 is an abundant number, since it is smaller than the sum of its proper divisors (84679408).

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

49940000 is a wasteful number, since it uses less digits than its factorization.

49940000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 245 counting only the distinct ones).

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

The square root of 49940000 is about 7066.8238976219. The cubic root of 49940000 is about 368.2557296203.

Adding to 49940000 its reverse (4994), we get a palindrome (49944994).

Multiplying 49940000 by its reverse (4994), we get a square (249400360000 = 499400²).

49940000 divided by its reverse (4994) gives a 4-th power (10000 = 10⁴).

It can be divided in two parts, 49 and 940000, that added together give a palindrome (940049).

The spelling of 49940000 in words is "forty-nine million, nine hundred forty thousand".