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472994607840 = 25355938514337
BaseRepresentation
bin1101110001000001010…
…11001111001011100000
31200012212210210122112220
412320200223033023200
530222143104422330
61001142443551040
746113150554526
oct6704053171340
91605783718486
10472994607840
11172661141687
1277804b2b480
13357ac2ccaa1
1418c707ba316
15c484d85710
hex6e20acf2e0

472994607840 has 192 divisors, whose sum is σ = 1515929022720. Its totient is φ = 123933286400.

The previous prime is 472994607821. The next prime is 472994607889. The reversal of 472994607840 is 48706499274.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109058152 + ... + 109062488.

It is an arithmetic number, because the mean of its divisors is an integer number (7895463660).

Almost surely, 2472994607840 is an apocalyptic number.

472994607840 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 472994607840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757964511360).

472994607840 is an abundant number, since it is smaller than the sum of its proper divisors (1042934414880).

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

472994607840 is a wasteful number, since it uses less digits than its factorization.

472994607840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 472994607840 in words is "four hundred seventy-two billion, nine hundred ninety-four million, six hundred seven thousand, eight hundred forty".