49139911793280 has 1536 divisors, whose sum is σ = 202700040192000. Its totient is φ = 10037989785600.

The previous prime is 49139911793227. The next prime is 49139911793281. The reversal of 49139911793280 is 8239711993194.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (49139911793281) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26955518449 + ... + 26955520271.

It is an arithmetic number, because the mean of its divisors is an integer number (131966172000).

Almost surely, 2^{49139911793280} is an apocalyptic number.

49139911793280 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 49139911793280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101350020096000).

49139911793280 is an abundant number, since it is smaller than the sum of its proper divisors (153560128398720).

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

49139911793280 is a wasteful number, since it uses less digits than its factorization.

49139911793280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1912 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 66.

The spelling of 49139911793280 in words is "forty-nine trillion, one hundred thirty-nine billion, nine hundred eleven million, seven hundred ninety-three thousand, two hundred eighty".