49980126 has 32 divisors (see below), whose sum is σ = 115262208. Its totient is φ = 14152320.

The previous prime is 49980121. The next prime is 49980143. The reversal of 49980126 is 62108994.

49980126 = T₁₂₂₈ + T₁₂₂₉ + ... + T₁₂₉₀.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49980121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (3601944).

Almost surely, 2^49980126 is an apocalyptic number.

49980126 is an abundant number, since it is smaller than the sum of its proper divisors (65282082).

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

49980126 is a wasteful number, since it uses less digits than its factorization.

49980126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 49980126 is about 7069.6623681757. The cubic root of 49980126 is about 368.3543324341.

The spelling of 49980126 in words is "forty-nine million, nine hundred eighty thousand, one hundred twenty-six".