49773137580 has 480 divisors, whose sum is σ = 172940866560. Its totient is φ = 11927139840.

The previous prime is 49773137567. The next prime is 49773137611. The reversal of 49773137580 is 8573137794.

49773137580 is a `hidden beast` number, since 49 + 7 + 7 + 3 + 13 + 7 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 118225770 + ... + 118226190.

It is an arithmetic number, because the mean of its divisors is an integer number (360293472).

Almost surely, 2^49773137580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49773137580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86470433280).

49773137580 is an abundant number, since it is smaller than the sum of its proper divisors (123167728980).

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

49773137580 is a wasteful number, since it uses less digits than its factorization.

49773137580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 49773137580 in words is "forty-nine billion, seven hundred seventy-three million, one hundred thirty-seven thousand, five hundred eighty".