49780140 has 48 divisors (see below), whose sum is σ = 139799520. Its totient is φ = 13235200.

The previous prime is 49780121. The next prime is 49780151. The reversal of 49780140 is 4108794.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23026 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (2912490).

Almost surely, 2^49780140 is an apocalyptic number.

It is an amenable number.

49780140 is an abundant number, since it is smaller than the sum of its proper divisors (90019380).

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

49780140 is a wasteful number, since it uses less digits than its factorization.

49780140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 49780140 is about 7055.5042342840. The cubic root of 49780140 is about 367.8623756802.

The spelling of 49780140 in words is "forty-nine million, seven hundred eighty thousand, one hundred forty".