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421059798720 = 263451137167239
BaseRepresentation
bin1100010000010010001…
…11101010011011000000
31111020211101021222210000
412020021013222123000
523344312302024340
6521233204440000
742264153144051
oct6101107523300
91436741258700
10421059798720
11152630308930
12697300a9000
133092375c5c2
1416545120728
15ae45708d30
hex62091ea6c0

421059798720 has 1120 divisors, whose sum is σ = 1695218595840. Its totient is φ = 98308546560.

The previous prime is 421059798713. The next prime is 421059798791. The reversal of 421059798720 is 27897950124.

421059798720 is a `hidden beast` number, since 4 + 21 + 0 + 597 + 9 + 8 + 7 + 20 = 666.

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 159 ways as a sum of consecutive naturals, for example, 1761756361 + ... + 1761756599.

It is an arithmetic number, because the mean of its divisors is an integer number (1513588032).

Almost surely, 2421059798720 is an apocalyptic number.

421059798720 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 421059798720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847609297920).

421059798720 is an abundant number, since it is smaller than the sum of its proper divisors (1274158797120).

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

421059798720 is a wasteful number, since it uses less digits than its factorization.

421059798720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 421059798720 in words is "four hundred twenty-one billion, fifty-nine million, seven hundred ninety-eight thousand, seven hundred twenty".