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497188550040 = 2335713232968261
BaseRepresentation
bin1110011110000101011…
…11110011010110011000
31202112022220222020221020
413033002233303112120
531121220232100130
61020223312042440
750630536642260
oct7170257632630
91675286866836
10497188550040
11181946a7a536
1280437533420
1337b66842010
141a0c7a9c7a0
15cdeddd5e10
hex73c2bf3598

497188550040 has 512 divisors, whose sum is σ = 1981673164800. Its totient is φ = 96878960640.

The previous prime is 497188550039. The next prime is 497188550059. The reversal of 497188550040 is 40055881794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7249510 + ... + 7317770.

It is an arithmetic number, because the mean of its divisors is an integer number (3870455400).

Almost surely, 2497188550040 is an apocalyptic number.

497188550040 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 497188550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990836582400).

497188550040 is an abundant number, since it is smaller than the sum of its proper divisors (1484484614760).

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

497188550040 is a wasteful number, since it uses less digits than its factorization.

497188550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68347 (or 68343 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 497188550040 in words is "four hundred ninety-seven billion, one hundred eighty-eight million, five hundred fifty thousand, forty".