49336140 has 144 divisors (see below), whose sum is σ = 163289952. Its totient is φ = 11096064.

The previous prime is 49336123. The next prime is 49336153. The reversal of 49336140 is 4163394.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 49336098 and 49336107.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285094 + ... + 285266.

It is an arithmetic number, because the mean of its divisors is an integer number (1133958).

Almost surely, 2^49336140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49336140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81644976).

49336140 is an abundant number, since it is smaller than the sum of its proper divisors (113953812).

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

49336140 is a wasteful number, since it uses less digits than its factorization.

49336140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 49336140 is about 7023.9689634850. The cubic root of 49336140 is about 366.7654261063.

The spelling of 49336140 in words is "forty-nine million, three hundred thirty-six thousand, one hundred forty".