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94019040640 = 2757194771331
BaseRepresentation
bin101011110001111111…
…0001011010110000000
322222200100102010102101
41113203332023112000
53020022333300030
6111105230200144
76535610442130
oct1274376132600
9288610363371
1094019040640
113696732a888
121627a953054
138b3467c535
14479c9aaac0
1526a41137ca
hex15e3f8b580

94019040640 has 512 divisors, whose sum is σ = 280881561600. Its totient is φ = 29378764800.

The previous prime is 94019040637. The next prime is 94019040641. The reversal of 94019040640 is 4604091049.

It is a self number, because there is not a number n which added to its sum of digits gives 94019040640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94019040641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284045275 + ... + 284045605.

It is an arithmetic number, because the mean of its divisors is an integer number (548596800).

Almost surely, 294019040640 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 94019040640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140440780800).

94019040640 is an abundant number, since it is smaller than the sum of its proper divisors (186862520960).

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

94019040640 is a wasteful number, since it uses less digits than its factorization.

94019040640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 94019040640 in words is "ninety-four billion, nineteen million, forty thousand, six hundred forty".