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49859031040 = 212571331863
BaseRepresentation
bin101110011011110101…
…000111000000000000
311202200202120012120021
4232123311013000000
51304102402443130
634523244023224
73413360525350
oct563365070000
9152622505507
1049859031040
111a166139a85
1297b5831b14
1349177b3640
1425adb16b60
15146c2eb37a
hexb9bd47000

49859031040 has 416 divisors, whose sum is σ = 152184324096. Its totient is φ = 15252848640.

The previous prime is 49859031029. The next prime is 49859031049. The reversal of 49859031040 is 4013095894.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (416).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49859031049) 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, 57773649 + ... + 57774511.

Almost surely, 249859031040 is an apocalyptic number.

49859031040 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 49859031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76092162048).

49859031040 is an abundant number, since it is smaller than the sum of its proper divisors (102325293056).

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

49859031040 is a wasteful number, since it uses less digits than its factorization.

49859031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 921 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 49859031040 in words is "forty-nine billion, eight hundred fifty-nine million, thirty-one thousand, forty".