49205680 has 40 divisors (see below), whose sum is σ = 118099584. Its totient is φ = 19046400.

The previous prime is 49205669. The next prime is 49205683. The reversal of 49205680 is 8650294.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49205683) 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, 7441 + ... + 12400.

Almost surely, 2^49205680 is an apocalyptic number.

49205680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49205680 is an abundant number, since it is smaller than the sum of its proper divisors (68893904).

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

49205680 is a wasteful number, since it uses less digits than its factorization.

49205680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885 (or 19879 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 49205680 is about 7014.6760438384. The cubic root of 49205680 is about 366.4418603611.

The spelling of 49205680 in words is "forty-nine million, two hundred five thousand, six hundred eighty".