49111040 has 112 divisors (see below), whose sum is σ = 129753360. Its totient is φ = 17694720.

The previous prime is 49111021. The next prime is 49111091. The reversal of 49111040 is 4011194.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450506 + ... + 450614.

Almost surely, 2^49111040 is an apocalyptic number.

49111040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64876680).

49111040 is an abundant number, since it is smaller than the sum of its proper divisors (80642320).

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

49111040 is a wasteful number, since it uses less digits than its factorization.

49111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 49111040 is about 7007.9269402584. The cubic root of 49111040 is about 366.2067769623.

The spelling of 49111040 in words is "forty-nine million, one hundred eleven thousand, forty".