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49642368480 = 2533526834283
BaseRepresentation
bin101110001110111010…
…100110110111100000
311202010122212121102000
4232032322212313200
51303131421242410
634445544124000
73405120112155
oct561672466740
9152118777360
1049642368480
111a064906211
129755166600
1348b1944043
14258d03822c
15145829edc0
hexb8eea6de0

49642368480 has 192 divisors, whose sum is σ = 173853630720. Its totient is φ = 13229941248.

The previous prime is 49642368463. The next prime is 49642368487. The reversal of 49642368480 is 8486324694.

49642368480 is a `hidden beast` number, since 4 + 96 + 42 + 36 + 8 + 480 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49642368487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11588419 + ... + 11592701.

It is an arithmetic number, because the mean of its divisors is an integer number (905487660).

Almost surely, 249642368480 is an apocalyptic number.

49642368480 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 49642368480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86926815360).

49642368480 is an abundant number, since it is smaller than the sum of its proper divisors (124211262240).

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

49642368480 is a wasteful number, since it uses less digits than its factorization.

49642368480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990 (or 6976 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 49642368480 in words is "forty-nine billion, six hundred forty-two million, three hundred sixty-eight thousand, four hundred eighty".