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26023386480 = 243572131721931
BaseRepresentation
bin11000001111000111…
…010101110101110000
32111011121121000010220
4120033013111311300
5411243441331410
615542135253040
71610612064300
oct301707256560
974147530126
1026023386480
1110044583483
12506321a180
1325b9571350
14138c261600
15a24973070
hex60f1d5d70

26023386480 has 1440 divisors, whose sum is σ = 116652533760. Its totient is φ = 4737761280.

The previous prime is 26023386479. The next prime is 26023386523. The reversal of 26023386480 is 8468332062.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 839464065 + ... + 839464095.

It is an arithmetic number, because the mean of its divisors is an integer number (81008704).

Almost surely, 226023386480 is an apocalyptic number.

26023386480 is a gapful number since it is divisible by the number (20) 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 26023386480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58326266880).

26023386480 is an abundant number, since it is smaller than the sum of its proper divisors (90629147280).

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

26023386480 is a wasteful number, since it uses less digits than its factorization.

26023386480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 26023386480 in words is "twenty-six billion, twenty-three million, three hundred eighty-six thousand, four hundred eighty".