49393820736 has 784 divisors, whose sum is σ = 170144529408. Its totient is φ = 14108774400.

The previous prime is 49393820689. The next prime is 49393820743. The reversal of 49393820736 is 63702839394.

49393820736 is a `hidden beast` number, since 49 + 393 + 8 + 207 + 3 + 6 = 666.

It is a super-3 number, since 3×49393820736³ (a number of 33 digits) contains 333 as substring.

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 111 ways as a sum of consecutive naturals, for example, 695687581 + ... + 695687651.

Almost surely, 2^49393820736 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 49393820736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85072264704).

49393820736 is an abundant number, since it is smaller than the sum of its proper divisors (120750708672).

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

49393820736 is a wasteful number, since it uses less digits than its factorization.

49393820736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 49393820736 in words is "forty-nine billion, three hundred ninety-three million, eight hundred twenty thousand, seven hundred thirty-six".