49259439638280 has 384 divisors, whose sum is σ = 172048983275520. Its totient is φ = 12199103262720.

The previous prime is 49259439638183. The next prime is 49259439638287. The reversal of 49259439638280 is 8283693495294.

It is a happy number.

49259439638280 is a `hidden beast` number, since 4 + 9 + 2 + 59 + 439 + 63 + 8 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 49259439638199 and 49259439638208.

It is not an unprimeable number, because it can be changed into a prime (49259439638287) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29326069 + ... + 30960251.

It is an arithmetic number, because the mean of its divisors is an integer number (448044227280).

Almost surely, 2^{49259439638280} is an apocalyptic number.

49259439638280 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 49259439638280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86024491637760).

49259439638280 is an abundant number, since it is smaller than the sum of its proper divisors (122789543637240).

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

49259439638280 is a wasteful number, since it uses less digits than its factorization.

49259439638280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634341 (or 1634334 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 72.

The spelling of 49259439638280 in words is "forty-nine trillion, two hundred fifty-nine billion, four hundred thirty-nine million, six hundred thirty-eight thousand, two hundred eighty".