49075517440 has 144 divisors (see below), whose sum is σ = 120736881720. Its totient is φ = 19144704000.

The previous prime is 49075517437. The next prime is 49075517443. The reversal of 49075517440 is 4471557094.

It is an interprime number because it is at equal distance from previous prime (49075517437) and next prime (49075517443).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49075517443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17212015 + ... + 17214865.

Almost surely, 2^49075517440 is an apocalyptic number.

49075517440 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 49075517440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60368440860).

49075517440 is an abundant number, since it is smaller than the sum of its proper divisors (71661364280).

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

49075517440 is an equidigital number, since it uses as much as digits as its factorization.

49075517440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 49075517440 in words is "forty-nine billion, seventy-five million, five hundred seventeen thousand, four hundred forty".