49113494640 has 400 divisors, whose sum is σ = 195326873280. Its totient is φ = 11204075520.

The previous prime is 49113494627. The next prime is 49113494641. The reversal of 49113494640 is 4649431194.

49113494640 is a `hidden beast` number, since 4 + 9 + 113 + 494 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49113494641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 39961546 + ... + 39962774.

Almost surely, 2^49113494640 is an apocalyptic number.

49113494640 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 49113494640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97663436640).

49113494640 is an abundant number, since it is smaller than the sum of its proper divisors (146213378640).

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

49113494640 is a wasteful number, since it uses less digits than its factorization.

49113494640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 49113494640 in words is "forty-nine billion, one hundred thirteen million, four hundred ninety-four thousand, six hundred forty".