49332787440 has 160 divisors (see below), whose sum is σ = 159430367232. Its totient is φ = 12604800000.

The previous prime is 49332787393. The next prime is 49332787453. The reversal of 49332787440 is 4478723394.

It is a happy number.

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, 718615 + ... + 784265.

Almost surely, 2^49332787440 is an apocalyptic number.

49332787440 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 49332787440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79715183616).

49332787440 is an abundant number, since it is smaller than the sum of its proper divisors (110097579792).

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

49332787440 is a wasteful number, since it uses less digits than its factorization.

49332787440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65799 (or 65793 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 51.

The spelling of 49332787440 in words is "forty-nine billion, three hundred thirty-two million, seven hundred eighty-seven thousand, four hundred forty".