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76550400000 = 2113355443
BaseRepresentation
bin100011101001011000…
…0100110100000000000
321022120221002020102000
41013102300212200000
52223233400300000
655100004424000
75346663443514
oct1072260464000
9238527066360
1076550400000
112a512783598
1212a046a8000
1372ac563999
1439c297a144
151ed071a000
hex11d2c26800

76550400000 has 576 divisors, whose sum is σ = 284072443200. Its totient is φ = 20367360000.

The previous prime is 76550399983. The next prime is 76550400011. The reversal of 76550400000 is 405567.

76550400000 is a `hidden beast` number, since 7 + 655 + 0 + 4 + 0 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172799779 + ... + 172800221.

It is an arithmetic number, because the mean of its divisors is an integer number (493181325).

Almost surely, 276550400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76550400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142036221600).

76550400000 is an abundant number, since it is smaller than the sum of its proper divisors (207522043200).

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

76550400000 is an frugal number, since it uses more digits than its factorization.

76550400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

Adding to 76550400000 its reverse (405567), we get a palindrome (76550805567).

The spelling of 76550400000 in words is "seventy-six billion, five hundred fifty million, four hundred thousand".