49677709536 has 720 divisors, whose sum is σ = 191640756384. Its totient is φ = 12318179328.

The previous prime is 49677709531. The next prime is 49677709559. The reversal of 49677709536 is 63590777694.

49677709536 is a `hidden beast` number, since 4 + 96 + 7 + 7 + 7 + 0 + 9 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49677709531) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 52127236 + ... + 52128188.

Almost surely, 2^49677709536 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 49677709536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95820378192).

49677709536 is an abundant number, since it is smaller than the sum of its proper divisors (141963046848).

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

49677709536 is a wasteful number, since it uses less digits than its factorization.

49677709536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 63.

The spelling of 49677709536 in words is "forty-nine billion, six hundred seventy-seven million, seven hundred nine thousand, five hundred thirty-six".