49136680 has 32 divisors (see below), whose sum is σ = 110759400. Its totient is φ = 19618816.

The previous prime is 49136677. The next prime is 49136687. The reversal of 49136680 is 8663194.

It can be written as a sum of positive squares in 4 ways, for example, as 43744996 + 5391684 = 6614^2 + 2322^2 .

It is not an unprimeable number, because it can be changed into a prime (49136687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37476 + ... + 38764.

Almost surely, 2^49136680 is an apocalyptic number.

49136680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49136680 is an abundant number, since it is smaller than the sum of its proper divisors (61622720).

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

49136680 is a wasteful number, since it uses less digits than its factorization.

49136680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2249 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 49136680 is about 7009.7560585230. The cubic root of 49136680 is about 366.2704958885.

The spelling of 49136680 in words is "forty-nine million, one hundred thirty-six thousand, six hundred eighty".