49385140 has 96 divisors (see below), whose sum is σ = 126604800. Its totient is φ = 16144128.

The previous prime is 49385137. The next prime is 49385177. The reversal of 49385140 is 4158394.

It is a junction number, because it is equal to n+sod(n) for n = 49385096 and 49385105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157624 + ... + 157936.

It is an arithmetic number, because the mean of its divisors is an integer number (1318800).

Almost surely, 2^49385140 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 49385140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63302400).

49385140 is an abundant number, since it is smaller than the sum of its proper divisors (77219660).

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

49385140 is a wasteful number, since it uses less digits than its factorization.

49385140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 350 counting only the distinct ones).

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

The square root of 49385140 is about 7027.4561542567. The cubic root of 49385140 is about 366.8868081160.

The spelling of 49385140 in words is "forty-nine million, three hundred eighty-five thousand, one hundred forty".