49403380570440 has 512 divisors, whose sum is σ = 175437384192000. Its totient is φ = 11012276588544.

The previous prime is 49403380570409. The next prime is 49403380570447. The reversal of 49403380570440 is 4407508330494.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (49403380570447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1017783691 + ... + 1017832229.

It is an arithmetic number, because the mean of its divisors is an integer number (342651141000).

Almost surely, 2^{49403380570440} is an apocalyptic number.

49403380570440 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 49403380570440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87718692096000).

49403380570440 is an abundant number, since it is smaller than the sum of its proper divisors (126034003621560).

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

49403380570440 is a wasteful number, since it uses less digits than its factorization.

49403380570440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50101 (or 50097 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 49403380570440 in words is "forty-nine trillion, four hundred three billion, three hundred eighty million, five hundred seventy thousand, four hundred forty".